File size: 36,120 Bytes
ac87599
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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1
00:00:20,820 --> 00:00:25,160
ุจุงุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงู„ูŠูˆู… ุฅู† ุดุงุก ุงู„ู„ู‡ ุณู†ูƒู…ู„

2
00:00:25,160 --> 00:00:35,700
ุงู„ุญู„ู‚ุฉ ุงู„ุณุงุฏุณุฉ ุนุฑุถ ุนุดูˆุงุฆูŠ ุณุฃุจุฏุฃ ุจูƒูŠู ูŠู…ูƒู†ู†ุง 

3
00:00:35,700 --> 00:00:40,420
ุงุณุชุฎุฏุงู…  ุนุดูˆุงุฆูŠ ู…ู‚ุนุฏ ุนุดูˆุงุฆูŠ ุนุดูˆุงุฆูŠ ุนุดูˆุงุฆูŠ

4
00:00:40,420 --> 00:00:48,880
ุนุดูˆุงุฆูŠ ุนุดูˆุงุฆูŠ ุนุดูˆุงุฆูŠ ุนุดูˆุงุฆูŠ ุนุดูˆุงุฆูŠ ุนุดูˆุงุฆูŠ

5
00:00:56,140 --> 00:01:04,080
ุงู„ุณุคุงู„ ู‡ูˆ ูƒูŠู ูŠู…ูƒู†ู†ุง ุชุฎุทูŠุท ู‡ุฐู‡ ุงู„ูˆุงู‚ุนุงุช ุฅุฐุง ูƒุงู†ุช

6
00:01:04,080 --> 00:01:12,420
ุงู„ุชูˆุฒูŠุน ุทุจูŠุนูŠ ูƒูŠู ู…ู…ูƒู† ู†ุญุณุจ ุงู„ูˆุงู‚ุนุงุช ููŠ ุงู„ุจูŠุงู†ุงุช

7
00:01:12,420 --> 00:01:18,940
ุงู„ูˆุงู‚ุนุงุช ูŠุนู†ูŠ ุงู„ู…ู†ุทู‚ุฉ ุงุญุชู…ุงู„ ู…ุนู†ุงู‡ ููŠ ุงู„ุญุตุฉ ุฃู† 

8
00:01:18,940 --> 00:01:21,200
ุงู„ู…ู†ุทู‚ุฉ ุชุญุช ุงู„ู…ุฎุทุท

9
00:01:23,840 --> 00:01:27,980
we are going to use the standardized normal table

10
00:01:27,980 --> 00:01:31,320
it's located at the end of your book ู„ูˆ ุทู„ุนุช ุนู„ู‰

11
00:01:31,320 --> 00:01:41,180
ุงู„ูƒุชุงุจ ููŠ ุงู„ุขุฎุฑ ููŠ ุนู†ุฏู†ุง table ุฃูˆุฑูŠูƒ ุฅูŠุงู‡ ููŠ ุงู„ุขุฎุฑ

12
00:01:41,180 --> 00:01:42,940
ุฎุงู„ุต ูŠุนู†ูŠ ููŠ tables

13
00:01:50,580 --> 00:01:53,740
ูŠุงุฑูŠุช ุงู„ูƒู„ ูŠูุชุญ ุนู„ู‰ ุงู„ุชุงุจู„ ููŠ ู†ู‡ุงูŠุฉ ุงู„ูƒุชุงุจุŒ ุฃูŠ

14
00:01:53,740 --> 00:01:59,600
ุตูุญุฉ ุจุฏูˆุฑ ุนู„ูŠู‡ุŸ ู…ูŠุชูŠู† ุชุณุนุฉ ูˆุณุจุนูŠู†  ู…ูŠุชูŠู† ุชุณุนุฉ ูˆ

15
00:01:59,600 --> 00:02:12,900
ุณุจุนูŠู† ุฅุฐุง

16
00:02:12,900 --> 00:02:14,100
ู‡ูŠ ุงู„ูƒุชุงุจ ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ ุนู†ุฏูƒ

17
00:02:22,470 --> 00:02:27,630
ุฎู„ุงุต ุงู„ูƒู„ ูุงุชุญ ุนุงู… 1979 this

18
00:02:27,630 --> 00:02:32,830
table gives the area to the left of z ุจูŠุนุทูŠ  ุงู„ู€

19
00:02:32,830 --> 00:02:41,770
ู…ุณุงุญุฉ ุนู„ู‰ ุงู„ุดู…ุงู„ ุฅุฐุง ุงู„ู€ table provides the

20
00:02:41,770 --> 00:02:47,270
probability to

21
00:02:47,270 --> 00:02:55,780
the left of z value ุงู„ุขู† ู…ุงุฐุง ูŠุนู†ูŠ ู‚ูŠู…ุฉ zุŸ ูŠุนู†ูŠ ุฅุฐุง

22
00:02:55,780 --> 00:03:02,320
ูƒุงู† ู„ุฏูŠู†ุง x ู…ุณุชุนู…ู„ ุจุดูƒู„

23
00:03:02,320 --> 00:03:06,760
ุนุงู… ุจู…ุนู†ู‰

24
00:03:06,760 --> 00:03:19,060
ู…ูŠูˆ ูˆู…ุนู†ู‰ ุณูŠุฌู…ุง ุซู…

25
00:03:19,060 --> 00:03:25,670
ูƒูŠู ู†ุฌุฏ zุŸX ุนุงู…ุฉ ูŠุนู†ูŠ ู…ูŠูˆู† ู…ูŠูˆู† ู…ูŠูˆู† ู…ูŠูˆู† ู…ูŠูˆู†

26
00:03:25,670 --> 00:03:28,390
ู…ูŠูˆู† ู…ูŠูˆู† ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

27
00:03:28,390 --> 00:03:34,250
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

28
00:03:34,250 --> 00:03:34,290
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

29
00:03:34,290 --> 00:03:34,350
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

30
00:03:34,350 --> 00:03:36,010
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

31
00:03:36,010 --> 00:03:50,770
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…

32
00:03:51,790 --> 00:03:54,930
ู„ุฐู„ูƒ ู…ุฑุฉ ุฃุฎุฑู‰ุŒ ุงู„ู€ table ุงู„ู„ูŠ ู„ุฏูŠู†ุง ูŠู…ู†ุญ ุงู„ู…ู†ุทู‚ุฉ ุฃูˆ

33
00:03:54,930 --> 00:04:01,050
ูŠู…ู†ุญ ุงู„ู…ู†ุทู‚ุฉ ุฅู„ู‰ ุงู„ูŠุณุงุฑ ู…ู† ุงู„ู€ z-score ุฅุฐุง ูƒู†ุง

34
00:04:01,050 --> 00:04:07,910
ู†ู†ุธุฑ ุฅู„ู‰ ู‡ุฐุง ุงู„ู€ tableุŒ ุงู„ู€ table ูŠุจุฏุฃ ุจู€-3.4 ุซู… ู†ุญู†

35
00:04:07,910 --> 00:04:12,270
ู„ุฏูŠู†ุง ู†ู‚ู„ 3.3 ูˆู…ุง ุฅู„ู‰ ุฐู„ูƒุŒ ู„ุฐู„ูƒ ู„ู„ุฑู‚ู…ูŠู†ุŒ ู„ุฏูŠู†ุง z

36
00:04:12,270 --> 00:04:18,670
-score ู„ู…ูƒุงู†ูŠู† ู…ุญุฏุฏุฉ ูˆุงุญุฏุฉ ุจุณ ู„ุนู„ุงู…ุฉ ุนุดุฑูŠุฉ ูˆุงุญุฏุฉุŒ

37
00:04:18,670 --> 00:04:25,630
ุชู„ุงุญุธุŸ negative 3.4-3.3 ูˆู…ุง ุฅู„ู‰ ุฐู„ูƒ ูˆุงุถุญ ุฃู†ู†ุง ู†ุฃุฎุฐ

38
00:04:25,630 --> 00:04:28,830
ุนู„ุงู…ุฉ ุนุดุฑูŠุฉ ูˆุงุญุฏุฉ ููŠู† ุงู„ู€ second decimal places

39
00:04:28,830 --> 00:04:33,750
ู…ูˆุฌูˆุฏุฉ ูˆูŠู† ููŠ ุงู„ columns ู‡ุงูŠ ุงู„ู€ columns ุจุชู…ุซู„ ุงู„ู€

40
00:04:33,750 --> 00:04:36,650
second decimal places ุงู„ุนู„ุงู…ุฉ ุงู„ุนุดุฑูŠุฉ ุงู„ุชุงู†ูŠุฉ ููŠ

41
00:04:36,650 --> 00:04:43,370
ุงู„ุนู…ุฏุฉ ูŠุนู†ูŠ ู„ูˆ .. ู„ูˆ ุนุงูŠุฒ ุงู„ู€ probability of z less

42
00:04:43,370 --> 00:04:45,470
than negative 3.3

43
00:04:48,020 --> 00:04:51,480
ุงู„ุขู† ู„ุฏูŠู†ุง ู…ู‚ุงุฑู†ุฉ ุฒูŠ ุฐู„ูƒ ุจุงู„ูุนู„ ู„ุฐู„ูƒ ุฃู‚ูˆู… ุจู‚ูŠู…ุฉ

44
00:04:51,480 --> 00:04:57,100
ุงู„ู€ -3.3 ู‡ุฐุง ู‡ูˆ ุงู„ู€ -3.3 ุงู„ุขู† ู…ุงู‡ูˆ ุงู„ู…ูƒุงู† ุงู„ุซุงู†ูŠ

45
00:04:57,100 --> 00:05:04,220
ุจุงู„ู…ู‚ุงุฑู†ุฉุŸ ู„ู…ุง ุจุญูƒูŠ negative 3.3 ู…ุด ู…ู…ูƒู† ุฃูƒุชุจ

46
00:05:04,220 --> 00:05:08,720
ุจู‡ุงูŠูƒ negative 3.30 ู…ุน ูƒุฏู‡ ุงู„ู€ second ุนุจุงุฑุฉ ุนู† ุงูŠุดุŸ

47
00:05:08,720 --> 00:05:15,910
ุงู„ู€ decimal ุนุจุงุฑุฉ ุนู† ุฒูŠุฑูˆ ู…ุธุจูˆุท ู„ู…ุง ุจูƒุชุจ ู†ู‚ุต 3.3 ู…ุด

48
00:05:15,910 --> 00:05:21,830
ู…ู…ูƒู† ุงูƒุชุจู‡ ู†ุงู‚ุต 3.30ุŸ ูŠุนู†ูŠ ู†ุงู‚ุต 3.3 ู…ุนู†ุงู‡ ู†ุงู‚ุต 3

49
00:05:21,830 --> 00:05:32,530
.30 now what's the value under negative 3.3ุŸ

50
00:05:32,530 --> 00:05:38,030
ุทู„ุน ุงู„ูƒุชุงุจ ุงู„ู„ูŠ ู…ุนุงูƒ ุงูุชุญ ุงู„ุฌุฏูˆู„ ููŠ ุงู„ุขุฎุฑ ููŠ ูƒุชุงุจ

51
00:05:38,030 --> 00:05:42,830
ููŠ table ุทู„ุน ุนู„ูŠู‡ ู†ุงู‚ุต 3.3 ูƒุฏู‡ ุชุญุช ุงู„ู€ zeroุŸ

52
00:05:45,580 --> 00:05:52,240
0,0,5ุŒ 3,0,5 ุดูุชูˆุง

53
00:05:52,240 --> 00:05:55,380
ุงู„ุฎู…ุณุฉ  ู…ู‚ุงุจู„ ุชู„ุงุชุฉ point ุชู„ุงุชุฉ ุชุญุช ุงู„ู€ zero

54
00:05:55,380 --> 00:06:01,640
ุทุจ ู„ูˆ ู…ุด ุนุงูŠุฒ ุชู„ุงุชุฉ point ุชู„ุงุชุฉ negative three

55
00:06:01,640 --> 00:06:06,400
point three six one decimal place three point

56
00:06:06,400 --> 00:06:12,420
three ู‡ูŠ ูˆุฃู†ุง ู‡ู…ุดูŠ second decimal ุณุชุฉ ุจู…ุดูŠ ุนู„ู‰ ุงู„ู€

57
00:06:12,420 --> 00:06:12,680
six

58
00:06:15,990 --> 00:06:25,630
ู„ูŠู‡ ู‡ุฐุง ู…ุธุจูˆุทุŸ ุงูŠุด ุงู„ุฌูˆุงุจ ุจุชุทู„ุนุŸ ู…ุนุงูƒ

59
00:06:25,630 --> 00:06:33,350
ูƒุชุงุจูƒ ู…ุธุจูˆุทุŸ ุทู„ุน ุงู„ูƒุชุงุจ 0.0004

60
00:06:33,350 --> 00:06:43,850
Z less than negative 2.43 ุทู„ุน

61
00:06:43,850 --> 00:06:52,150
ุงู„ูƒุชุงุจ ุงู„ู„ูŠ ู…ุนุงูƒ -2.4 ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง

62
00:06:52,150 --> 00:06:57,870
ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง

63
00:06:57,870 --> 00:07:01,410
ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง

64
00:07:01,410 --> 00:07:01,430
ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง

65
00:07:01,430 --> 00:07:01,450
ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง

66
00:07:01,450 --> 00:07:01,550
ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง ุชู‚ุฑูŠุจุง

67
00:07:15,540 --> 00:07:22,600
ูˆุงุตู„ ู„ุบุงูŠุฉ ูˆูŠู†ุŸ zero ุงู„ุขู†

68
00:07:22,600 --> 00:07:28,920
ุนู†ุฏ ุงู„ู€ zero ุงูŠุด ุงู„ุฌูˆุงุจ ู…ูˆุฌูˆุฏุŸ

69
00:07:28,920 --> 00:07:32,460
ุทู„ุน .. ุจุงู„ู„ู‡ ุทู„ุน ุฌูŠุจ ุณูŠูƒ ููŠ ุงู„ุดุงุดุฉ ุงู„ู„ูŠ ุนู†ุฏูƒ ู…ุนุงูƒ

70
00:07:32,460 --> 00:07:39,500
ุงู„ูƒุชุงุจ ุงู„ู€ zero ุชุญุช ุงู„ู€ zero ุฒูŠ ุฃู‚ู„ ู…ู† zero ุงูŠุด

71
00:07:39,500 --> 00:07:43,320
ุจุชุณูˆูŠุŸ point five ู…ุด ู‡ูŠูƒุŸ

72
00:07:47,000 --> 00:07:58,160
ู‡ู„ ู‡ุฐุง ุงู„ุฌูˆุงุจ ู…ู†ุทู‚ูŠ ุจุงู„ู†ุณุจุฉ ู„ูƒุŸ ู„ุฃ ุฃุญุณู† ู„ุฃู†

73
00:07:58,160 --> 00:08:04,160
ู‡ุงูŠ ุงู„ู€ zero ุงู„ู€ Z ู„ู‡ normal with mean zero ู…ุด ู‡ูŠูƒุŸ

74
00:08:04,160 --> 00:08:08,700
ุญูƒูŠู†ุงู‡ุง ู…ุฑุฉ ูุงุชุฑุฉ Z score ู„ู‡ mean equal zero sigma

75
00:08:08,700 --> 00:08:13,780
one ู…ุธุจูˆุทุŸ ุงู„ู„ูŠ ู„ู…ุง ุจุญูƒูŠ ุงุญุชู…ุงู„ z ู‡ูŠ ุฃู‚ู„ ู…ู† zero

76
00:08:13,780 --> 00:08:18,220
ุงู„ู€ ู…ุณุงุญุฉ ุฏูŠ ูƒู„ู‡ุง ุงู„ู€ area ูƒู„ู‡ุง ุงูŠุด ุจุชุณุงูˆูŠ ุฃุญูƒูŠู‡ุง

77
00:08:18,220 --> 00:08:20,700
ุงู„ู…ุฑุฉ ุงู„ูุงุชุฉ ุงู„ู€ area underneath the normal curve

78
00:08:20,700 --> 00:08:27,860
equals one ุฅุฐุง ูƒู„ู‡ุง ูˆุงุญุฏ ูˆู‡ุฐุง ุงู„ู€ mean ูˆู‡ุฐุง ุงู„ู€

79
00:08:27,860 --> 00:08:33,320
mean ููŠ ุงู„ู†ุต ูˆูƒู„ู‡ุง ูˆุงุญุฏ ู†ุต ู†ุต ูุจุงู„ุชุงู„ูŠ ุฃู†ุง one

80
00:08:33,320 --> 00:08:38,380
half ูˆู‡ุฐู‡ one half ูุจุงู„ุชุงู„ูŠ ู„ู…ุง ูŠุทู„ุน ู†ุต ุฃูƒูŠุฏ ูŠุฌูŠุจ

81
00:08:38,380 --> 00:08:45,960
ุตุญ ู†ุดู†ุช ูู„ุณูุฉ ูƒุชูŠุฑ ุงูŠู‡ ุงู„ุตูุฑ ุจุตูุฑ ู†ุตู ูุงู„ู€ table

82
00:08:45,960 --> 00:08:50,200
ุงู„ู„ูŠ ุนู†ุฏูƒ ุชุจุน ุงู„ู€ negative z ุงู„ู€ probabilities ู…ู†

83
00:08:50,200 --> 00:08:59,380
zero ู„ุบุงูŠุฉ ู†ุต ู…ู†ุทู‚ูŠุง ุงู„ุตูุญุฉ ุงู„ุชุงู†ูŠุฉ ุจูŠุจุฏุฃ

84
00:08:59,380 --> 00:09:05,620
ู…ู† ูˆูŠู† ู…ู† zero ุทูŠุจ ุจูŠุงุฎุฏ ูŠุนู†ูŠ ุงู„ู€ positive z scores

85
00:09:05,620 --> 00:09:09,100
ุทุจ ุฎุฏ ู…ุน ุงู„ู€ positive ุฃุนุทูŠูƒูŠ ุดูˆูŠุฉ ุฃู…ุซู„ุฉ

86
00:09:11,960 --> 00:09:19,160
ู„ูˆ ุนุงูŠุฒ ุงุญุชู…ุงู„ Z ุฃู‚ู„ ู…ู† 1.56 ุจุฏูŠ

87
00:09:19,160 --> 00:09:23,460
ูˆุงุญุฏุฉ ุชุทู„ุน ูˆุชูˆุฑูŠู†ูŠู‡ุง ุนู„ู‰ ุงู„ุดุงุดุฉ ูˆุงุญุฏุฉ ุชุทู„ุน ูˆ

88
00:09:23,460 --> 00:09:27,020
ุชูˆุฑูŠู†ูŠู‡ุง ุนู„ู‰ ุงู„ุดุงุดุฉ ุจุฏูŠ ุฃุจุทู„ ุฃุดุฑุญ ุงู„ุฏู‚ุฉ ู‡ุฐุง ูˆ

89
00:09:27,020 --> 00:09:32,560
ุงู„ุฅุฌุงุจุฉ ุฎู„ูŠูƒู… ุฃุบู„ุจูƒู… ูˆุฃู†ุชู… ุชุดุฑุญูˆุง ู…ุงููŠ ูƒู„ุงู… ุชุงู†ูŠ

90
00:09:32,560 --> 00:09:33,400
ู‡ู†ุง ุฎุฏูŠ ู‡ุฐุง

91
00:09:54,620 --> 00:09:57,820
ุฎู„ุงุต ุงูƒุชุจ ุงู„ุฌูˆุงุจ ู‡ู†ุง ุงูƒุชุจ ุงู„ุฌูˆุงุจ

92
00:10:13,230 --> 00:10:26,690
-1.5 ุชุญุช ุงู„ู€ 6 9406 ุจุณ ููŠู‡ ุงู„ู€ point ุจุณ ุจุณ

93
00:10:26,690 --> 00:10:26,930
ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ

94
00:10:26,930 --> 00:10:27,470
ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ

95
00:10:27,470 --> 00:10:27,550
ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ

96
00:10:27,550 --> 00:10:27,890
ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ

97
00:10:27,890 --> 00:10:31,270
ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจุณ ุจ

98
00:10:33,010 --> 00:10:41,190
ุงู„ุฌุฏูˆู„ ุงู„ุจุฏุก ู…ู† 0 ู„ุบุงูŠุฉ ุฃูŠู†ุŸ ู„ู€ 3.4 ุงูŠุด ุงู„ุฌูˆุงุจ

99
00:10:41,190 --> 00:10:50,110
ุงู„ุณุงูˆูŠุŸ ุชุญุช ุงู„ู€ 0 9997 ุฎู„ู‘ูŠู†ูŠ

100
00:10:50,110 --> 00:10:58,810
ุฃูƒู…ู„ ุทุจ ุงูŠุด ุฃูƒุจุฑ ู‚ูŠู…ุฉ ู„ู„ู€ ZุŸ 3.4 ุชุญุช ู…ูŠู†ุŸ ุชุญุช

101
00:10:58,810 --> 00:11:06,850
ุงู„ุชุณุนุฉ ู…ุธุจูˆุทุŸ ุทูŠุจ ุงุญุชู…ุงู„ B of Z less than 3.49 ุงูŠุด

102
00:11:06,850 --> 00:11:14,170
ุณูˆุชุŸ ุขุฎุฑ ูˆุงุญุฏุฉ 9998 ู…ุน ูƒุฏู‡ ุทู„ุนุช ุนู„ู‰ ุงู„ู€ two tables

103
00:11:14,170 --> 00:11:18,930
ุงู„ุฃูˆู„ ู…ู† zero ู„ุบุงูŠุฉ ู†ุต ูˆู‡ุฐุง ู…ู† ู†ุต ู„ุบุงูŠุฉ ุชู‚ุฑูŠุจุง

104
00:11:18,930 --> 00:11:26,490
ูˆูŠู†ุŸ ุงู„ูˆุงุญุฏ ูŠุนู†ูŠ ุฃู†ุง ู„ูˆ ุทู„ุนุช ุนู„ู‰ ุงู„ุฑุณู…ุฉ ู‡ุฐู‡ ุจุชุงุนุฉ

105
00:11:26,490 --> 00:11:27,230
ุงู„ู€ positive Z

106
00:11:32,510 --> 00:11:39,170
ูˆู‡ูŠ 3.49 ุงู„ู€ area to the left ุงู„ู€ ู…ุณุงุญุฉ ู‡ุฐู‡ ู…ุด ู‡ูŠูƒ

107
00:11:39,170 --> 00:11:51,790
ุงูŠุด ุณูˆุช ุชู‚ุฑูŠุจุง ุงู„ู„ูŠ ุทู„ุนู†ุง ุชุญุชู‡ 998 ู…ุธุจูˆุท ู„ูˆ ูƒุจุฑุชู‡ุง

108
00:11:51,790 --> 00:12:00,630
ุดูˆูŠุฉ ูŠุนู†ูŠ ู…ุด 3.49 ุฃุฎุฐู†ุงู‡ุง ุฒูŠ less than 4.65 ุงู„ู€ 4.6

109
00:12:00,630 --> 00:12:04,690
ู…ุด ู…ูˆุฌูˆุฏุฉ ุจุณ ุฃู†ุง ู„ูˆ ุฏุฎู„ุช to the right ู…ุดูŠุช ู„ุฌูˆู‡ ุนู„ู‰

110
00:12:04,690 --> 00:12:11,050
ุงู„ูŠู…ูŠู† ู…ุงุดูŠู†ุง ู‡ู†ุง 4

111
00:12:11,050 --> 00:12:15,250
.65 ูˆุจุฏูŠ ุงู„ู€ ู…ุณุงุญุฉ to the left ู…ุด ู‡ุถูŠูู‡ุง ุฏู…ุงุบู‡ุง

112
00:12:15,250 --> 00:12:20,170
ุฃุญุณู‡ุง ุชู‚ุฑูŠุจุง ุงูŠุดุŸ ูˆุงุญุฏ ููŠ ุฃูŠ ู‚ูŠู…ุฉ ู…ุด ู…ูˆุฌูˆุฏุฉ ููŠ

113
00:12:20,170 --> 00:12:26,150
ุงู„ุฌุฏูˆู„ ู…ุนู†ุงู‡ ุฌูˆุงุจ ู…ุงู„ู‡ close to one ู„ุฃู†ู‡ุง ู…ุด

114
00:12:26,150 --> 00:12:29,650
ู…ูˆุฌูˆุฏุฉ ููƒู„ ู…ุง ุฃุฏุฎู„ูŠ ุนู„ู‰ ุงู„ูŠู…ูŠู† ุงู„ู€ ู…ุณุงุญุฉ ุนุงู…ุฉ ุจุชู‚ุชุฑุจ

115
00:12:29,650 --> 00:12:33,750
ู…ู† ูˆุงุญุฏ ุทุจ ู†ูุณ ุงู„ุดูŠุก ู„ูˆ ุทู„ุนุช ุนู„ู‰ ุงู„ู€ negative ุฒูŠุŸ

116
00:12:33,750 --> 00:12:37,110
ุงู„ู„ูŠ ู…ูˆุฌูˆุฏ ุนู†ุฏูŠ ู„ุบุงูŠุฉ ูˆูŠู†ุŸ negative three point

117
00:12:37,110 --> 00:12:42,650
zero ู…ุธุจูˆุท ูˆุชุณุนุฉ ููŠ ุงู„ุขุฎุฑ ูŠุนู†ูŠ ุจุชุงุน ุงู„ู€ negative

118
00:12:42,650 --> 00:12:47,870
ู‡ูŠ ุขุฎุฑ ู‚ูŠู…ุฉ ุฎุงู„ุต ู‡ูŠ negative three point four

119
00:12:47,870 --> 00:12:51,610
nine ุงูŠุด ุงู„ู€ area to the leftุŸ zero zero zero zero

120
00:12:51,610 --> 00:12:54,950
ุงุชู†ูŠู† ู…ุด ู‡ูŠูƒ ูŠุนู†ูŠ ุงู„ู€ ู…ุณุงุญุฉ ู‡ุฐู‡ ู‡ูŠูƒ ุงู„ู€ area

121
00:12:54,950 --> 00:13:00,780
probability point zero zero zero ุงุชู†ูŠู† ู„ูˆ ุนุงูŠุฒ ุฃู‚ู„

122
00:13:00,780 --> 00:13:09,500
ู…ู†ู‡ุง ูŠุนู†ูŠ ู‡ุฐุง ุงุญุชู…ุงู„ z ุฃู‚ู„ ู…ู† negative 3.49 ุงู„ุฌูˆุงุจ

123
00:13:09,500 --> 00:13:16,660
0002 ู„ูˆ ุนุงูŠุฒ ุฃุตุบุฑ ู…ู†ู‡ุง ูŠุนู†ูŠ ุนุงูŠุฒ ู…ุด negative 3.49

124
00:13:16,660 --> 00:13:20,540
suppose we are interested in b of z less than

125
00:13:20,540 --> 00:13:28,660
negative 4.8 4.8 ุจุงู„ุนุฑุจูŠ ู‡ูŠูƒ negative 4.8 ูˆูŠู† ุฌุงูŠุฉ

126
00:13:29,640 --> 00:13:34,520
ุนู„ู‰ ุงู„ุดู…ุงู„ ุฃูƒุชุฑ ู…ุธุจูˆุท ู‡ูŠ negative 4.8 ู„ุฃู† ุงู„ู€ ู…ุณุงุญุฉ

127
00:13:34,520 --> 00:13:39,100
ุนู„ู‰ ุงู„ุดู…ุงู„ ู…ุด ู…ุชุณุงูˆูŠ ุฃุตุบุฑ ู…ู† ุงู„ู„ูŠ ูุงุชุช ูŠุนู†ูŠ ุชู‚ุฑูŠุจุง

128
00:13:39,100 --> 00:13:45,400
zero ุฅุฐุง ุฃูŠ ู‚ูŠู…ุฉ ู…ุด ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ู€ negative zero ุฃูŠ

129
00:13:45,400 --> 00:13:48,600
ู‚ูŠู…ุฉ ู…ุด ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ู€ positive ุฃูƒุชุฑ ู…ู† 3.4 ุชุนุชุจุฑ

130
00:13:48,600 --> 00:13:56,120
ูˆุงุญุฏ ุฎู„ุงุต ุทูŠุจ ุฎู„ูŠู†ูŠ ุฃุฑุฌุน ู„ู„ู€ slide ุชุงู†ูŠ ููŠ ุฃูŠ ุณุคุงู„

131
00:13:56,120 --> 00:14:00,130
ููŠ ุงู„ุฃูˆู„ ุงู„ูƒู„ู…ุชูŠู† ุงู„ู„ูŠ ุฃู†ุง ุญูƒูŠุชู‡ู… ู…ู‡ู…ุงุช ุฌุฏุง ู…ุน

132
00:14:00,130 --> 00:14:04,790
ุงู„ู…ู…ุงุฑุณุฉ ุชุนู…ู„ ุงู„ู€ practice ุฃูƒุชุฑ ุทุจุนุง ุงู„ู€ practice ููŠ

133
00:14:04,790 --> 00:14:12,410
ุนู†ุฏูƒ practice ู„ู„ chapter ู…ูˆุฌูˆุฏ ููŠ ู†ู‡ุงูŠุฉ ุงู„ูƒุชุงุจ ุฎู„ูŠ

134
00:14:12,410 --> 00:14:18,330
ุจุงู„ูƒ ู…ุนุงูƒ ุฎู„ูŠ ู†ุจุฏุฃ ูˆุงุญุฏุฉ ูˆุงุญุฏุฉ ุงู„ู„ูŠ

135
00:14:18,330 --> 00:14:24,070
ุฃู†ุง ุนุงูŠุฒู‡ ู…ู†ูƒ ุชู†ุชุจู‡ ุจุณ ูˆุงูุชุญ ุงู„ูƒุชุงุจ ุนู„ู‰ ุงู„ุขุฎุฑ ุนู„ู‰

136
00:14:24,070 --> 00:14:28,360
ุงู„ุขุฎุฑ ุตูุญุฉ ุงู„ู„ูŠ ููŠู‡ุง ุงู„ู€ table ุจุณ ุณูŠุจูƒ ุฎู„ูŠูƒูŠ ุนู„ู‰ ุงู„ู€

137
00:14:28,360 --> 00:14:33,160
table ุงู„ูŠูˆู… ุฎู„ูŠูƒูŠ ุนู„ู‰ ุงู„ู€ table

138
00:14:33,160 --> 00:14:38,280
ุงู„ู„ูŠ ุฃู†ุง ุจู†ุตุญูƒ ุชุญุงูˆู„ูŠ ุชุตูˆุฑูŠ ุงู„ู€ tables ู‡ุฏูˆู„ ุฎู„ูŠู‡ู…

139
00:14:38,280 --> 00:14:42,020
ู…ุนุงูƒ ุทุจุนุง ููŠ ุงู„ุงู…ุชุญุงู† ุฃู†ุง ุจุนุทูŠูƒูŠ ุงู„ู€ tables ูŠุนู†ูŠ

140
00:14:42,020 --> 00:14:46,880
ุงู…ุชุญุงู† ุงู„ู€ tables ุจุจุนุฏูŠูƒูŠู‡ู… ู„ูˆ ุชุทู„ุน ุนู„ู‰ ุงู„ู€ example

141
00:14:46,880 --> 00:14:50,060
ุงู„ู„ูŠ ู‡ู†ุง P of Z less than 2

142
00:14:55,420 --> 00:14:58,440
ุงู„ู€ z is given suppose we are interested in this

143
00:14:58,440 --> 00:15:08,600
probability ุนู†ุฏ ุงู„ู€ 2 ุจุงู„ุธุจุท ูŠุนู†ูŠ 2.0 under 0 2.0

144
00:15:08,600 --> 00:15:16,840
under 0 this

145
00:15:16,840 --> 00:15:24,140
is 2.0 go to the right just one place ุณุชุญุตู„ ุนู„ู‰

146
00:15:24,140 --> 00:15:32,280
9772 ุฅุฐุง ูุฅู† ุนุฏุฏ ุงู„ู€ z ุฃู‚ู„ ู…ู† 2 ูŠุนู†ูŠ 0.9772 ููŠ ุฃูŠ

147
00:15:32,280 --> 00:15:37,340
ุณุคุงู„ุŸ

148
00:15:37,340 --> 00:15:41,860
ุฅุฐุง

149
00:15:41,860 --> 00:15:50,210
ูุฅู†ูƒ ุชู„ู‚ู‰ ุนุฏุฏ ุงู„ู€ z 2.0 ูˆุชุชุญุฑูƒ ุฅู„ู‰ ุฌู‡ุฉ ุฃุนู„ู‰ ู„ุฃู†

150
00:15:50,210 --> 00:16:01,970
ู„ุฏูŠู†ุง ูู‚ุท 2.00 ูุนู†ุฏ 0 ู‡ู†ุง ู„ุฏูŠู†ุง 9 7 7 2 ุงู„ุขู†

151
00:16:01,970 --> 00:16:05,810
ูƒูŠู ูŠู…ูƒู†ู†ุง ุฃู† ู†ุฌุฏ ุนุงุฏู„ุงุช ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

152
00:16:05,810 --> 00:16:06,970
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

153
00:16:06,970 --> 00:16:07,030
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

154
00:16:07,030 --> 00:16:09,090
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

155
00:16:09,090 --> 00:16:09,290
ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ ุนุงู…ุฉ

156
00:16:17,800 --> 00:16:20,660
ู‡ู†ุง ูŠูˆุฌุฏ ุฎุทูˆุงุช ุฃูƒุซุฑ ุซู„ุงุซุฉ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ

157
00:16:20,660 --> 00:16:21,500
ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ

158
00:16:21,500 --> 00:16:22,760
ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช

159
00:16:22,760 --> 00:16:26,780
ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช

160
00:16:26,780 --> 00:16:33,820
ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ

161
00:16:33,820 --> 00:16:35,580
ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช

162
00:16:35,580 --> 00:16:44,460
ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุทูˆุงุช ุฃูƒุซุฑ ุฎุท

163
00:17:01,860 --> 00:17:11,800
ุฏุนูˆู†ุง ู†ู‚ูˆู… ุจุงู„ุชุฑุฌู…ุฉ ุชุฑุฌู…ุฉ ุชุฑุฌู…ุฉ ุชุนู†ูŠ convert ุชุฑุฌู…ุฉ

164
00:17:11,800 --> 00:17:20,880
ุชุฑุฌู…ุฉ ุชุฑุฌู…ุฉ ุชุฑุฌู…ุฉ ุชุฑุฌู…ุฉ

165
00:17:20,880 --> 00:17:21,400
ุชุฑุฌู…ุฉ

166
00:17:24,140 --> 00:17:30,400
ูƒูŠู ูŠู…ูƒู†ู†ุง ุชุญูˆูŠู„ X ุฅู„ู‰ ZุŸ ุจุงุณุชุฎุฏุงู… ุงู„ูˆุงู‚ุน Z ูŠู‚ู„ X

167
00:17:30,400 --> 00:17:36,000
ู†ุงู‚ุต ู…ูŠูˆ ุชู‚ุฑูŠุฑู‡ ุจุณูŠุฌู…ุง X ู†ุงู‚ุต .. ู‡ุฐุง ูŠุนู†ูŠ ููŠ

168
00:17:36,000 --> 00:17:39,920
ุงู„ูˆุงู‚ุน X

169
00:17:39,920 --> 00:17:46,600
ู†ุงู‚ุต .. ู…ูŠู† X ุชู‚ุฑูŠุฑู‡ ุจุณูŠุฌู…ุง X ูู‚ุท ู„ุชุนุฑูŠูุงุช ุจุณูŠุทุฉ

170
00:17:46,600 --> 00:17:49,040
ู†ุณุชุฎุฏู… X ู†ุงู‚ุต ู…ูŠูˆ ุนู„ู‰ ุณูŠุฌู…ุง

171
00:17:54,500 --> 00:17:58,220
ุงู„ู‚ุงุนุฏุฉ ุงู„ุทุจูŠุนูŠุฉ ุงู„ุตู†ุฏูˆู‚ูŠุฉ ู„ุชุณุชุฎุฏู… ู‡ุฐู‡ ุงู„ู‚ุงุนุฏุฉุŒ

172
00:17:58,220 --> 00:18:02,960
ูู‡ู†ุง ูŠูˆุฌุฏ ุฃุณุงุณู‹ุง ุซู„ุงุซ ุฎุทูˆุงุช ู„ุชู‚ูˆู… ุจุชุญุฏูŠุซ ุฃูŠ ู…ุนุฑูˆู

173
00:18:02,960 --> 00:18:09,320
ุชุญุช ุงู„ู‚ูŠุงุฏุฉ ุงู„ุทุจูŠุนูŠุฉ. ุนู„ู‰ ุณุจูŠู„ ุงู„ู…ุซุงู„ุŒ ุฃุนุชู‚ุฏ ุฃู† X

174
00:18:09,320 --> 00:18:13,420
ู‡ูˆ ุงู„ูˆู‚ุช ุงู„ุฐูŠ ูŠุณุชุบุฑู‚ ููŠ ุซุงู†ูˆูŠุฉ ู„ุชุญู…ูŠู„ ู…ู„ู ุตูˆุฑุฉ ู…ู†

175
00:18:13,420 --> 00:18:21,570
ุงู„ุฅู†ุชุฑู†ุช ูˆ X ู…ุซู„ ุงู„ุฒู…ู† ุงู„ุฒู…ู† ู…ุณุชู…ุฑ ูˆู„ุง ู…ุณุชู…ุฑุŸ ู…ุณุชู…ุฑ

176
00:18:21,570 --> 00:18:26,410
ู„ุฃู†ู‡ ู„ุง ูŠู…ูƒู† ุฃู† ูŠุฃุฎุฐ ุฃูŠ ู‚ูŠู…ุฉ ู…ุธุจูˆุทุŸ ุงู„ูˆู‚ุช ูŠู…ูƒู† ุฃู†

177
00:18:26,410 --> 00:18:31,930
ูŠูƒูˆู† 3.6 3 3.5 ูˆู…ุง ุฅู„ู‰ ุฐู„ูƒ ุŒ ู„ุฐู„ูƒ ุงู„ูˆู‚ุช ูŠุนุชุจุฑ

178
00:18:31,930 --> 00:18:33,770
ู…ุณุชู…ุฑู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง

179
00:18:33,770 --> 00:18:37,310
ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง ู…ุฎุชู„ูู‹ุง

18

216
00:22:00,960 --> 00:22:06,460
ุงู„ุณุฌู†ุฉ ูˆู‡ูŠ ุงู„ู„ูŠ 18.6 ุตุงุฑุช 0.12 ูุจุงู„ุชุงู„ูŠ ุฎู„ุตุช ู‡ูŠ ุงู„

217
00:22:06,460 --> 00:22:12,300
ุฅุฐุง ุตุงุฑุช ุงู„ู…ุซู„ Probability of X less than 18

218
00:22:12,300 --> 00:22:18,240
.6 ู‡ุฐุง ู…ุทู„ูˆุจ ุจุงู„ู…ุณุฃู„ุฉ ุตุงุฑุช ุนุจุงุฑุฉ ุนู† ุฅูŠุด Probability

219
00:22:18,240 --> 00:22:26,640
of Z less than 0.12 step 3 ุนุจุงุฑุฉ ุนู† ุฅูŠุด use the z

220
00:22:26,640 --> 00:22:30,520
table ุงุทู„ุน ุนู„ู‰ z table z positive ูˆู„ุง negative

221
00:22:30,520 --> 00:22:37,720
positive positive values

222
00:22:37,720 --> 00:22:38,280
of z

223
00:23:03,850 --> 00:23:09,750
ู…ุฑุฉ ุซุงู†ูŠุฉ ู„ุฏูŠ ุซู„ุงุซ ุฎุทูˆุงุช

224
00:23:13,110 --> 00:23:19,150
ุจุฑุณู… ุงู„ู‡ูŠุฆุฉ ุงู„ุทุจูŠุนูŠุฉ ูŠุฌุจ ุฃู† ุชุฌุฏ ู…ุตุฏุฑ ุงู„ู‡ูŠุฆุฉ ุงู„ุชูŠ

225
00:23:19,150 --> 00:23:26,850
ู‡ูŠ 18 ูˆู‚ูŠู…ุฉ X ู‡ู†ุง ู†ุญู† ู…ู‡ุชู…ูŠู† ุจุงู„ู€ 18.6 ุงู„ุขู† 18.6

226
00:23:26,850 --> 00:23:31,390
ูŠุฌุจ ุฃู† ูŠูƒูˆู† ุนู„ู‰ ุฌุงู†ุจ ุงู„ู€ 18 ูู‡ุฐุง ู‡ูˆ X ุงู„ุฎุงุต ุจูŠ

227
00:23:31,390 --> 00:23:37,850
ุฎุทูˆุฉ 2 ุชุญูˆู„ X ุฅู„ู‰ Z ุจุงุณุชุฎุฏุงู… X ู†ุงู‚ุต ู…ูŠูˆ ุนู„ู‰ ุณูŠุฌู…ุง

228
00:23:37,850 --> 00:23:42,550
ู„ุฐู„ูƒ ู†ุญู† ู„ุฏูŠู†ุง X ูŠูƒูˆู† 18.6 ู‡ุฐู‡ ุงู„ู‚ูŠู…ุฉ

229
00:23:46,410 --> 00:23:51,970
ู…ุน ุงู„ู…ู‚ุงูˆู…ุฉ ุงู„ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ 18 ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ

230
00:23:51,970 --> 00:23:56,830
ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ

231
00:23:56,830 --> 00:23:58,290
ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ

232
00:23:58,290 --> 00:23:58,810
ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ

233
00:23:58,810 --> 00:23:59,350
ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ

234
00:23:59,350 --> 00:24:02,690
ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ

235
00:24:02,690 --> 00:24:08,190
ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ ู…ู‚ุงูˆู…ุฉ

236
00:24:08,190 --> 00:24:09,370
ู…

237
00:24:13,070 --> 00:24:15,410
Now what does this result meanุŸ ุฅูŠุด ู…ุนู†ู‰ ุงู„ุฌูˆุงุจ

238
00:24:15,410 --> 00:24:19,070
ุงู„ู„ูŠ ุทู„ุนุŸ ู‡ูˆ ุจูŠุณุฃู„ ุฅูŠุด ุงู„ู€ time required to

239
00:24:19,070 --> 00:24:23,650
download an image from the internet if X is less

240
00:24:23,650 --> 00:24:26,790
than 18.6 seconds ูŠุนู†ูŠ ุฅูŠุด ุงุญุชู…ุงู„ ุชู†ุฒู„ ุดุบู„ ุนู„ู‰

241
00:24:26,790 --> 00:24:31,990
ุงู„ุงู†ุชุฑู†ุช ุชุฃุฎุฐ ู…ุนูƒ ุฒู…ู† ุฃู‚ู„ ู…ู† 18.6 second ุทู„ุน

242
00:24:31,990 --> 00:24:38,250
ุงู„ุฌูˆุงุจ 0.54 ูŠุนู†ูŠ ุชู‚ุฑูŠุจุงู‹ 54% ุงู„ูƒู„ุงู… ุฏู‡ ู…ู…ูƒู† ูŠุชุญู‚ู‚

243
00:24:38,250 --> 00:24:42,330
ู‡ู†ุฒู„ ุดุบู„ ุนู„ู‰ ุงู„ุงู†ุชุฑู†ุช ูˆ ุชุฃุฎุฐ ู…ุนุงู‡ 18 ุซุงู†ูŠุฉ ูˆ 6

244
00:24:53,750 --> 00:25:01,070
now suppose we want to find normal upper tail ุฅูŠุด

245
00:25:01,070 --> 00:25:08,890
upper tailุŸ ุงู„ู€ upper tail ุฅูŠุด ู…ุนู†ุงู‡ upper tailุŸ

246
00:25:08,890 --> 00:25:17,000
upper tail upper ุฅูŠุด ู…ุนู†ุงู‡ุงุŸ ุฃุนู„ู‰ ูˆ tail ู‡ูŠ

247
00:25:17,000 --> 00:25:24,400
ุนุฑุจูŠ ูˆุฅู†ุฌู„ูŠุฒูŠุฉ ูˆุงุญุฏ ุนุฑุจูŠ ูˆุฅู†ุฌู„ูŠุฒูŠุฉ ูˆุงุญุฏ tail ู…ุนุงูƒ

248
00:25:24,400 --> 00:25:28,880
ุฌูˆุงู„ุŸ ุญุทู‡ ุนู„ู‰ ุงู„ู€ dictionaryุŒ ุฅูŠุด ู…ุนู†ุงู‡ tailุŸ ุทุฑู

249
00:25:28,880 --> 00:25:34,980
ุฃูˆ ุฐูŠู„ ุทุฑู ูŠู…ูŠู†ุŒ ุทุฑู ุฃุนู„ู‰ upper tail ู…ุนู†ุงู‡ ุงู„ุทุฑู

250
00:25:34,980 --> 00:25:39,500
ุงู„ุฃุนู„ู‰ ูŠุนู†ูŠ ุนุงูŠุฒูŠู† ุงู„ู€ probability to the right side

251
00:25:39,500 --> 00:25:42,360
ูŠุนู†ูŠ ุงู„ุทุฑู ุงู„ู…ูˆุฌุจ

252
00:25:46,100 --> 00:25:49,000
ูŠุนู†ูŠ ุจุนุฏ ู…ุง ูƒู†ุช ุนุงูŠุฒ probability of x less than

253
00:25:49,000 --> 00:25:55,920
18.6 ุนุงูŠุฒูŠู† ุงู„ู€ probability of x greater than 18.6

254
00:25:55,920 --> 00:26:00,240
in

255
00:26:00,240 --> 00:26:06,160
stead of less than 18.6 to the left side we are

256
00:26:06,160 --> 00:26:08,840
looking for this probability for this area or for

257
00:26:08,840 --> 00:26:14,100
this probability the area to the right ู…ุณุงุญุฉ

258
00:26:14,100 --> 00:26:26,100
ุนู„ู‰ ุงู„ูŠู…ูŠู† ู„ู…ุง ุชูƒูˆู† ุฃูƒุจุฑ ุงู„ู…ุณุงุญุฉ

259
00:26:26,100 --> 00:26:31,560
ุชุญุช ู…ู†ุญู†ู‰ ุงู„ุชูˆุฒูŠุน ุทุจุนุงู‹ ุจุณู‡ูˆู„ุฉ ูˆุงุญุฏ ุฅุฐุง ุทู„ุนุช ู‡ูŠูƒ to

260
00:26:31,560 --> 00:26:39,460
the left 0.5478 ุฅูŠุด ู‡ุชูƒูˆู† ุนู„ู‰ ุงู„ูŠู…ูŠู† one minus

261
00:26:39,460 --> 00:26:46,710
this value ู…ุด ู‡ูŠูƒ ู…ุธุจูˆุท ุฅุฐุง ุญูƒูŠุช ู„ูƒ ุงุญุชู…ุงู„ ุฅู†ูƒ ุชุฎุณุฑ

262
00:26:46,710 --> 00:26:51,710
ุดุบู„ุฉ ู…ุนูŠู†ุฉ ุซู„ุงุซุฉ ู…ู† ุนุดุฑุฉ ุงุญุชู…ุงู„ ุงู„ุฑุจุญ ุณุจุนุฉ

263
00:26:51,710 --> 00:26:57,910
ูุงุญุชู…ุงู„ X ุฃู‚ู„ ู…ู† 18.6 ู‡ุฐุง ูŠุจู‚ู‰ one minus ุงุญุชู…ุงู„ X

264
00:26:57,910 --> 00:27:04,290
ุฃู‚ู„ ู…ู† 18.6 so always in general if we are looking

265
00:27:04,290 --> 00:27:08,450
for to the upper tail X greater than for example B

266
00:27:08,450 --> 00:27:16,450
this equals one minus X ุฃู‚ู„ ู…ู† B ุฎู„ุงุตุŒ ูŠุนู†ูŠ ู„ูˆ ุทู„ุน

267
00:27:16,450 --> 00:27:19,750
ุจุงุญุชู…ุงู„ X ุนู„ู‰ ุงู„ูŠู…ูŠู† ุทู„ุน ุนู„ู‰ ุงู„ุดู…ุงู„ ูˆุงุทุฑุญ ู…ู†ู‡ุง

268
00:27:19,750 --> 00:27:24,550
ูˆุงุญุฏ ูˆุงุถุญุฉ ููŠ ุฃูŠ .. ู„ูŠุด ู„ุฃ .. ู„ูŠุด ู„ุฃ ู„ุฃ ุงู„ู„ูŠ ุฃู†ุง

269
00:27:24,550 --> 00:27:29,210
ุจุญูƒูŠ ุงุญุชู…ุงู„ X ุฃูƒุจุฑ ู…ู† B ูˆุนุงูŠุฒ ุงู„ุดู…ุงู„ .. ุงู„ูŠู…ูŠู†

270
00:27:29,210 --> 00:27:34,410
ุจู‚ุฏุฑ ุฃุทู„ุน ุนู„ู‰ ุงู„ุดู…ุงู„

271
00:27:34,410 --> 00:27:38,390
ุทุจ ุงู„ุดู…ุงู„ ุงู„ู†ุงุชุฌ ู‡ู†ุง ุงู„ู…ูƒู…ู„ ุฅูŠู‡ุŸ ุฅูŠุด ู‡ุชุณุงูˆูŠุŸ ูˆุงุญุฏ

272
00:27:38,390 --> 00:27:42,970
ู†ุงู‚ุต ุงู„ุดู…ุงู„ ุงุญูุธูŠู‡ุง .. ูู‡ู…ูŠู‡ุง ุฒูŠ ู…ุง ุฃู†ุช ุนุงูŠุฒู‡ุง ู…ุด

273
00:27:42,970 --> 00:27:46,640
ู‡ู‚ุฏุฑ ุฃูˆุถุญู‡ุง ุฃูƒุซุฑ ู…ู† ู‡ู†ุง ุฎู„ุงุต ุงุญุชู…ุงู„ x ุฃูƒุจุฑ ู…ู† b

274
00:27:46,640 --> 00:27:52,160
ุจูŠุณุงูˆูŠ one minus d of x ุฃู‚ู„ ู…ู† b ูŠุนู†ูŠ ููŠ ุงู„ู…ุซุงู„ ุงู„ู„ูŠ

275
00:27:52,160 --> 00:27:55,620
ุนู†ุฏูŠ Probability of x greater than 18.6 equals

276
00:27:55,620 --> 00:28:04,320
ูˆุงุญุฏ minus five four seven eight point four five

277
00:28:04,320 --> 00:28:11,150
two two ู„ุญุธุฉ ู„ูˆ ุฌู…ุนุช ุงู„ู‚ูŠู…ุชูŠู† ู‡ุฏูˆู„ ู„ูˆ ุฌู…ุนุช ุงู„ุงุซู†ูŠู†

278
00:28:11,150 --> 00:28:15,050
ุฅูŠุด ู‡ูŠุณุงูˆูŠุŸ ูˆุงุญุฏ ู„ุฃู† ุฒูŠ ู…ุง ุญูƒูŠุช ุงู„ู€ area under the

279
00:28:15,050 --> 00:28:18,130
normal curve equals one ุฅุฐุงู‹ ู†ุจุฏุฃ ุจุงู„ู†ุณุจุงู„ูŠ ุงู„ู€

280
00:28:18,130 --> 00:28:22,510
upper tail ุฅุฐุง ุนุฑูู†ุง ู…ู† ุดูˆูŠุฉ ุงู„ู€ left tail ูˆู‡ูŠ ุงู„ู€

281
00:28:22,510 --> 00:28:28,990
upper tailุŒ ุฅูŠุด ุจุชุนู…ู„ ุนู†ุฏู‡ุงุŸ ุงู„ู€ between finding

282
00:28:28,990 --> 00:28:35,850
normal probability between two values suppose

283
00:28:35,850 --> 00:28:42,110
X is normal with mean 18 ูˆุงู„ุตุญูŠุญุฉ ุงู„ุฎุงู…ุณุฉ ุชุฌุฏ X ุจูŠู†

284
00:28:42,110 --> 00:28:47,230
18 ูˆ 18.6 ุนุงูŠุฒ ุงู„ู€ Probability between two values

285
00:29:17,140 --> 00:29:22,620
ู…ูŠู†ูˆ 18 ุจูŠูƒุณ

286
00:29:22,620 --> 00:29:28,760
ุฃูƒุจุฑ ู…ู† 18 ูˆุฃู‚ู„ ู…ู† 18.6 ููŠ

287
00:29:28,760 --> 00:29:32,760
ู‡ุฐู‡ ุงู„ู…ู†ุทู‚ุฉ ุงู„ุขู†

288
00:29:32,760 --> 00:29:39,560
ุจุดูƒู„ ุนุงู… ุฅุฐุง ูƒุงู†ุช X ุจูŠู† ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู†

289
00:29:39,560 --> 00:29:45,080
ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู†

290
00:29:45,080 --> 00:29:51,080
ู‚ูŠู…ุชูŠู† ู‚ูŠู…ุชูŠู† 18 ูˆ 18.6 ุงู„ุขู† ุงู„ุทุงุจู‚ ู…ุฑุฉ ุฃุฎุฑู‰ ูŠุนุทูŠ

291
00:29:51,080 --> 00:29:55,600
ุงู„ู…ู†ุทู‚ุฉ ู„ู„ุฌุงู†ุจ ุงู„ูŠุณุงุฑ ู„ุฐู„ูƒ ู„ูƒู…ุจูˆุช ุงู„ู…ู†ุทู‚ุฉ ุงู„ูŠุณุงุฑ

292
00:29:55,600 --> 00:30:02,820
ู…ุจุงุดุฑุฉ ุฃูƒุจุฑ ู…ู† 1 ู†ุงู‚ุต ุงู„ุขู† ุณุจุจูˆุฒ ู†ุญู† ู…ู‡ุชู…ูŠู†

293
00:30:02,820 --> 00:30:07,480
ุจุงู„ุงู†ุชุตุงุฑ ุจูŠู† ู…ุชุณุงุจู‚ูŠู† ู…ุชุณุงุจู‚ูŠู† ุงู„ู…ุณุงุญุฉ ู‡ุฐู‡ ู…ุด

294
00:30:07,480 --> 00:30:13,440
ู‡ุชุณุงูˆูŠ ููŠ ุงู„ู†ุต ุงู„ู…ุณุงุญุฉ

295
00:30:13,440 --> 00:30:23,780
ู‡ุฐู‡ ุงู„ู…ุนู„ูˆู…ุฉ ู‡ูŠูƒ ุจุชุณุงูˆูŠ ุงู„ุฃู‚ู„ ู…ู† 18.6 ุจุงู„ุถุจุท

296
00:30:23,780 --> 00:30:33,040
ุงู„ุฃู‚ู„ ู…ู† 18.6 ู†ุงู‚ุต X ุฃู‚ู„ ู…ู† 18 ูŠุนู†ูŠ

297
00:30:33,040 --> 00:30:39,160
ู…ุนู†ุงู‡ ูƒุฏู‡ ู„ู…ุง ุจุดุชุบู„ ุนู„ู‰ two values ุจุชุทู„ุน P of X

298
00:30:39,160 --> 00:30:42,900
less than ุงู„ูƒุจูŠุฑุฉ ุงู„ู„ูŠ ู‡ู†ุง ู†ุงู‚ุต P of X less than

299
00:30:42,900 --> 00:30:45,080
ุงู„ุตุบูŠุฑุฉ in general

300
00:30:48,860 --> 00:30:57,500
ู„ู€ X ุจูŠู† A ูˆB ุณูˆุงุก

301
00:30:57,500 --> 00:31:04,200
ูƒู†ุง ู…ู‡ุชู…ูŠู† ุจู‡ุฐู‡ ุงู„ูˆุงู‚ุนูŠุฉ ุฑู‚ู…

302
00:31:04,200 --> 00:31:12,360
ูˆุงุญุฏ ุจูŠ ู…ู† X ุฃู‚ู„ ู…ู† A ู‡ุฐุง ู…ุจุงุดุฑุฉ ู…ุจุงุดุฑุฉ ุชุญู„ูŠู‡ุง ุนู„ู‰

303
00:31:12,360 --> 00:31:14,220
ุทูˆู„ ู„ุฃู† ุงู„ูƒู„ุจุฉ ุชุนุทูŠ ุงู„ู…ู†ุทู‚ุฉ ุฅู„ู‰ ุงู„ูŠุณุงุฑ

304
00:31:17,210 --> 00:31:26,850
ุฅุฐุง ูƒุงู† X ุฃูƒุจุฑ ู…ู† B ูŠูƒูˆู† 1 ู†ุงู‚ุต ุฅู„ู‰ ุงู„ุซุงู„ุซุฉ ุฅุฐุง

305
00:31:26,850 --> 00:31:31,010
ูƒุงู† X ุจูŠู† A ูˆ B ุฃู‚ู„

306
00:31:31,010 --> 00:31:34,850
ู…ู† B ูŠูƒูˆู† 1 ู†ุงู‚ุต ุฅู„ู‰ ุงู„ุซุงู„ุซุฉ ู‡ุฐู‡ ู‡ูŠ ุงู„ู‚ูˆุงู†ูŠู†

307
00:31:34,850 --> 00:31:42,490
ุงู„ุซู„ุงุซุฉ ุงู„ู„ูŠ ู„ุฏูŠู†ุง ุฅุฐุง ุฃุฑุฏุช ุงุญุชู…ุงู„ X ุจูŠู† A 18 ูˆ 18

308
00:31:42,490 --> 00:31:48,190
.6 ูŠุนู†ูŠ 18.6 ู†ุงู‚ุต X less than 18 ู…ุน ูƒุฏู‡ ุงู„ู…ุซุงู„ ุตุงุฑุช

309
00:31:48,190 --> 00:31:51,990
ู…ุซุงู„ุชูŠู† ู†ุญู„ู„ู‡ู…

310
00:31:51,990 --> 00:31:57,050
ูˆุงุญุฏุฉ ูˆุงุญุฏุฉ ุฎู„ุงุต ูƒุงู†ูˆุง ู…ุซุงู„ุชูŠู† ู†ุญู„ู„ู‡ู… ูˆู†ุงุฎุฏ ุงู„ูุฑู‚

311
00:31:57,050 --> 00:32:02,790
ุงู„ู„ูŠ ุจูŠู†ู‡ู… ูŠุนู†ูŠ ู…ุน ูƒุฏู‡ ู‡ู†ุทู„ุน ุงู„ู€ z score ู„ู„ุฃูˆู„ู‰ ุฒูŠ

312
00:32:02,790 --> 00:32:09,630
ู…ุง ุทู„ุนู†ุงู‡ุง ู…ู† ุดูˆูŠุฉ ุงู„ู„ูŠ ุณูˆุช ู‚ุฏุงุด 12% ูˆุทู„ุน ุงู„ู€ z

313
00:32:09,630 --> 00:32:16,090
score ู„ู„ู…ู†ุŸ ู„ู„ุซุงู†ูŠุฉ ุงู„ู„ูŠ ู‡ูŠ ุทุจูŠุนูŠุฉ ู‡ุชุณุงูˆูŠ ุตูุฑ ู…ุด

314
00:32:16,090 --> 00:32:20,910
ุฏุงูŠู…ุงู‹ ููŠ ู‡ุฐู‡ ุงู„ู…ุณุฃู„ุฉ ุจุณ ู„ูŠุดุŸ ู„ุฃู†ู‡ ุนุงูŠุฒ X ุฃูˆ ุนุงูŠุฒ X

315
00:32:20,910 --> 00:32:25,670
ุฃูƒุจุฑ ู…ู† 18 ูˆ 18 ูŠุนุจุฑ ุนู† ุงู„ู…ูŠู† ู„ูƒู† ู„ูˆ ูƒุงู†ุช ู‚ูŠู…ุฉ ุซุงู†ูŠุฉ

316
00:32:25,670 --> 00:32:31,690
ุจู†ุงุฎุฏู‡ุง ู†ุนู…ู„ู‡ุง ุฃูŠ 18 ุงู„ู€ X ู…ุด ู‡ูŠูƒ ู†ู†ู‚ุต ู…ู† 18 ุนู„ู‰

317
00:32:31,690 --> 00:32:43,140
Sigma 5 ุชุณุงูˆูŠ ุตูุฑ ุงู„ู…ุณุฃู„ุฉ ุชุญูˆู„ุช ู„ู€ z ุฃู‚ู„ ู…ู† 12 ู†ุงู‚ุต

318
00:32:43,140 --> 00:32:51,680
ุฃู‚ู„ ู…ู† 0 ุงู„ู€ probability

319
00:32:51,680 --> 00:32:56,620
of z less than 0.12 ุทู„ุนู†ุงู‡ุง ู…ู† ุดูˆูŠุฉ ุงู„ุฌูˆุงุจ ุงู„ู„ูŠ

320
00:32:56,620 --> 00:33:03,560
ุทู„ุน ู…ุนุงูŠุง ุทู„ุน

321
00:33:03,560 --> 00:33:09,360
5478 5478

322
00:33:09,360 --> 00:33:12,140
P of z less than 0 ุฅูŠุด ุจุชุณุงูˆูŠุŸ

323
00:33:15,180 --> 00:33:21,640
ุงุญุชู…ุงู„ Z ุฃู‚ู„ ู…ู† 0 ุทุจ

324
00:33:21,640 --> 00:33:24,980
.. ุทุจ ุงุณู…ุน ุงุทู„ุน ุนู„ู‰ ุงู„ู€ table ุฌุงู„ ู…ู† ุงู„ุฌูˆุฉ ูŠุนู†ูŠ

325
00:33:24,980 --> 00:33:31,760
ู‡ุฐู‡ ุงู„ู€ zero ุฅูŠุด ุงู„ุฌูˆุฉ ุจูŠุณุงูˆูŠ ูˆู…ู† ุบูŠุฑ ุงู„ู€ table

326
00:33:31,760 --> 00:33:38,640
ุจุนุฑูู‡ุง ูˆู„ุง ุจุนุฑูู‡ุงุด ุจุนุฑูู‡ุง ุงู„ู€ Z ู‡ุฐู‡ ุงู„ู€ Z ุงู„ู€ mean

327
00:33:38,640 --> 00:33:43,860
ุจุงู„ู†ุต ุจุงู„ู€ zero ุงู„ู€ Z ุฃู‚ู„ ู…ู† Zero ู…ุณุงุญุฉ ู„ูŠู‡ ู…ุด

328
00:33:43,860 --> 00:33:49,690
ุจุงู„ุณุงูˆูŠุฉ ู†ุต .. ู…ู† ุบูŠุฑ ุงู„ุฌุฏูˆู„ .. ูุจุชุณุงูˆูŠ ู†ุต .. ู‡ูŠ

329
00:33:49,690 --> 00:33:56,810
ุงู„ุฌูˆุงุจ ู†ุฃุฎุฐ

330
00:33:56,810 --> 00:34:05,030
ู…ุฌู…ูˆุนุฉ ุฃุฎุฑู‰ ุซู… ู†ุชูˆู‚ู .. ูุงูƒุชุดู ู…ูุฑูˆุถ X ุจูŠู† 17.4 ูˆ

331
00:34:05,030 --> 00:34:05,390
18

332
00:34:16,340 --> 00:34:25,020
ุจุฏูŠ ุญุฏ ูŠุญู„ู‡ุง ูŠุง ุฏูŠุงุฌูŠ ูˆุงุญุฏุฉ ุชุชูุถู„ ุชุญู„ู‡ุง X between

333
00:34:25,020 --> 00:34:34,300
17.4 and 18 ุฃู†ุช

334
00:34:34,300 --> 00:34:38,600
ู„ุฃู† ู…ุนุงูƒ ุฎู…ูŠุณ ูˆุฌู…ุนุฉุŒ ู…ุธุจูˆุทุŸ ุญุงูˆู„ุŒ ููŠ ุฃุซุฑ ุนู„ู‰

335
00:34:38,600 --> 00:34:42,620
ุงู„ู…ูˆุถูˆุน ููŠ ุงู„ู€ practice ุชุจุน chapter 6 ุญู„ ุงู„ุฃุซุฑ ุงู„ู„ูŠ

336
00:34:42,620 --> 00:34:43,840
.. ุงู„ู„ูŠ ุนู„ุงู‚ุฉ ุงู„ู…ูˆุถูˆุน ู‡ุฐุง

337
00:34:48,530 --> 00:35:03,630
ู‡ู„ู‚ูŠุชู‡ุง ู‡ู†ุนุชู…ุฏ ุฏู„ูˆู‚ุช ุนู„ู‰ ู‡ุฐุง ุงู„ุดูŠุก ุฅุฐุง

338
00:35:03,630 --> 00:35:08,470
ูุตู„ุฉ ุงู„ุงุซู†ูŠู† ูˆุงุญุฏุฉ ุงุญุชู…ุงู„ X ุฃู‚ู„ ู…ู† ุงู„ุซู…ุงู†ูŠุฉ ุนุดุฑ

339
00:35:08,470 --> 00:35:11,110
ุงู„ูƒุจูŠุฑุฉ ู†ุงู‚ุต ุงุญุชู…ุงู„ X ุฃู‚ู„ ู…ู† ุงู„ุตุบูŠุฑุฉ ูˆุงุถุญ ุงู„ุฎุทูˆุฉ

340
00:35:11,110 --> 00:35:14,550
ุงู„ุฃูˆู„ู‰ุŸ ู‡ู„ู‚ูŠุชู‡ุง ู‡ู†ุญูˆู„ ุงู„ู€ X ู„ู€ z

341
00:35:26,280 --> 00:35:33,900
ู…ุง ู‡ูŠ 18 ูŠุนู†ูŠ ุนุฏ X ุจ 18 ู…ูŠูˆ ุจ 18 ุณูŠุฌู…ุง ุฎู…ุณุฉ

342
00:35:33,900 --> 00:35:38,100
ุงู„ู„ูŠ

343
00:35:38,100 --> 00:35:42,340
ุจุนุฏู‡ุง

344
00:35:42,340 --> 00:35:51,760
negative

345
00:35:51,760 --> 00:35:52,620
point twelve

346
00:36:15,490 --> 00:36:19,730
ูƒูˆูŠุณ ุฅุฐุง ุงู†ุตุงุฑ ุงุญุชู…ุงู„ z ุฃู‚ู„ ู…ู† zero ู†ุงู‚ุต ุงุญุชู…ุงู„ z

347
00:36:19,730 --> 00:36:24,890
ุฃู‚ู„ ู…ู† negative point twelve ูŠุณุงูˆูŠ z ุฃู‚ู„ ู…ู† zero

348
00:36:24,890 --> 00:36:33,000
ุดูˆูู†ุง ู…ุด minus ู†ุงู‚ุต ู‡ุฐู‡ ุงู„ schedule ู‡ุฐู‡

349
00:36:33,000 --> 00:36:42,520
ุงู„ู€ negative four

350
00:36:42,520 --> 00:36:51,480
five five two ุงุซู†ูŠู†

351
00:36:51,480 --> 00:36:57,800
ุงุซู†ูŠู† ุฃุฑุจุนุฉ ุฃุฑุจุนุฉ ุฃุฑุจุนุฉ ุณุจุนุฉ ุซู…ุงู†ูŠุฉ

352
00:37:06,620 --> 00:37:11,640
ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด 

353
00:37:11,640 --> 00:37:11,860
ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด

354
00:37:11,860 --> 00:37:12,580
ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด

355
00:37:12,580 --> 00:37:16,520
ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด

356
00:37:16,520 --> 00:37:18,320
ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด

357
00:37:18,320 --> 00:37:19,600
ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด 

358
00:37:19,600 --> 00:37:26,400
ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด ู…ุด

359
00:37:26,400 --> 00:37:30,110
ู…ุด ู…ุด ู…ุด ุชุญูˆู„ุช ู„ู€ z ุจูŠู† zero ูˆ negative

360
00:37:30,110 --> 00:37:37,290
point twelve ุงุญุชู…ุงู„ z ุฃู‚ู„ ู…ู† zero one half ูˆู‡ุฐุง

361
00:37:37,290 --> 00:37:43,950
ุทู„ุน ู…ู† ุฃูŠู†ุŸ ู…ู† ุงู„ุฌุฏูˆู„ ุทู„ุน ุงู„ุฌูˆุงุจ ู‡ูŠูƒ ุงู„ู„ูŠ ุฃู†ุง ูˆ

362
00:37:43,950 --> 00:37:47,450
ุฃู†ุง ู…ุง ุฃุนุทูŠุชูƒุด ุงู„ู€ .. ุงู„ู€ negative table ุงู„ุฌุฏูˆู„ ุชุจุน

363
00:37:47,450 --> 00:37:52,710
ุงู„ู€ negative z values ู„ูˆ ุจุณ ุงู„ู…ูˆุฌุจ ู„ุญุธุฉ .. ุงู„ู…ุณุฃู„ุฉ

364
00:37:52,710 --> 00:37:56,330
ุงู„ู„ูŠ ูุงุชุช ุงู„ู…ุณุฃู„ุฉ

365
00:37:56,330 --> 00:38:06,410
ุงู„ู„ูŠ ูุงุชุช ู„ูˆ ูƒู†ุง ุจู†ุฏูˆุฑ ุนู„ู‰ z ุจ 12 ูƒุงู†ุช ุฅูŠู‡ ุงู„ู„ูŠ

366
00:38:06,410 --> 00:38:12,390
ุดู…ุงู„ู‡ุง ุจุชุณุงูˆูŠ ููŠ ุฃูˆู„ example ููŠ ุงู„ู€ example ุงู„ุฃูˆู„

367
00:38:12,390 --> 00:38:22,210
ุฃูˆู„ ูˆุงุญุฏ ุฅูŠุด ุณูˆุช five four seven eight ู…ุธุจูˆุท ู‡ุฐุง ููŠ

368
00:38:22,210 --> 00:38:27,650
ุงู„ู†ุต five four seven eight ู…ุธุจูˆุท

369
00:38:33,220 --> 00:38:39,780
5478 ู…ุธุจูˆุท ู‡ูŠูƒ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู…ู†ุทู‚ุฉ ุงู„ู„ูŠ ู‡ู†ุง 5478.112

370
00:38:39,780 --> 00:38:48,320
5478 ุงู„ู„ูŠ ุฃู†ุง ู…ุด ุนุงูŠุฒู‡ Z less than negative 12

371
00:38:48,320 --> 00:38:54,380
ุงู„ุขู†

372
00:38:54,380 --> 00:39:00,170
to the left of Z 0.12 0.5478 ุทูŠุจ ุนู„ู‰ ุงู„ูŠู…ูŠู† ุฅูŠุด

373
00:39:00,170 --> 00:39:04,110
ู‡ุชุณุงูˆูŠุŸ ุงู„ู…ู†ุทู‚ุฉ ุงู„ู„ูŠ ู‡ู†ุง ุงู„ู…ู†ุทู‚ุฉ ุงู„ู„ูŠ .. ู‡ุฐู‡

374
00:39:04,110 --> 00:39:10,530
ุงู„ุจูŠุถุฉ ูˆุงุญุฏ ู†ุงู‚ุต ุงู„ุฑู‚ู…ุŒ ู…ุธุจูˆุทุŸ ู…ุฑุฉ ุซุงู†ูŠุฉ ุงุญุชู…ุงู„ ุฒูŠ

375
00:39:10,530 --> 00:39:12,870
ุงู„ุฃู‚ู„ ู…ู† ุงู„ู‚ูŠู…ุฉ ุงู„ู„ูŠ ู‡ู†ุง ุงู„ุฌูˆุงุจ ุฎู…ุณุฉุŒ ุฃุฑุจุนุฉุŒ ุณุจุนุฉุŒ

376
00:39:12,870 --> 00:39:17,870
ุซู…ุงู†ูŠุฉุŒ ุงู„ู„ูŠ ุนู„ู‰ ุงู„ูŠู…ูŠู† ูˆุงุญุฏ ู†ุงู‚ุตุŒ ุงู„ู„ูŠ ุจุชุณุงูˆูŠ ู‚ุฏุงุดุŸ

377
00:39:17,870 --> 00:39:22,010
ุฃุฑุจุนุฉุŒ ุฎู…ุณุฉุŒ ุงุซู†ูŠู†ุŒ ุงุซู†ูŠู†ุŒ ู…ุด ู‡ูŠูƒุŸ ูŠุนู†ูŠ ุงุทู„ุนูˆุง

378
00:39:22,010 --> 00:39:24,010
ุงุญุชู…ุงู„ ุฒูŠ ุฃูƒุจุฑ ู…ู† twelve

379
00:39:29,050 --> 00:39:35,050
ุฃุฑุจุนุฉุŒ ุฎู…ุณุฉุŒ ุงุซู†ูŠู†ุŒ ุงุซู†ูŠู†ุŒ ู…ุด ู‡ูŠูƒุŸ ู‡ุฐุง ุงู„ุฃูƒุจุฑ ู…ู†

380
00:39:35,050 --> 00:39:42,590
point twelve ุทุจ ุฅูŠุด ุงู„ุนู„ุงู‚ุฉ ุงู„ู„ูŠ ุจูŠู†ู‡ู…ุŸ

381
00:39:42,590 --> 00:39:46,910
ุจุงู„ุถุจุท ู„ู…ุง

382
00:39:46,910 --> 00:39:52,410
ูŠูƒูˆู† ุฏูŠ point twelve ูˆู‡ูŠ ุงู„ู€ area point fourุŒ five,

383
00:39:52,510 --> 00:39:56,790
two, two ูˆู‡ุฐู‡ negative point twelveุŒ ู‡ุฐูˆู„ ุงุซู†ุชูŠู†

384
00:39:56,790 --> 00:40:02,320
ู…ุงู„ู‡ู…ุŸ ุฒูŠ ู„ูŠุด ุฒูŠ ุจุนุถ because of symmetric

385
00:40:02,320 --> 00:40:07,720
distribution ู†ูุณ

386
00:40:07,720 --> 00:40:11,040
ุงู„ู‚ูŠู…ุฉ ุจุณ ูˆุงุญุฏุฉ positive ูˆุงุญุฏุฉ negative ูู‚ู„ุช ู„ูƒ ุงู„ู€

387
00:40:11,040 --> 00:40:16,180
area to the left of negative ุฃูƒูŠุฏ ุฒูŠ ุงู„ู„ูŠ ูุงุชุช ู…ู†

388
00:40:16,180 --> 00:40:22,500
ู‡ู†ุง ุจุทู„ุน ุงู„ู€ table ุฃูˆุฑูŠูƒูŠ yet ูƒู…ุงู† example ุดูˆู

389
00:40:22,500 --> 00:40:25,040
ุฃู†ุช ุดุทูˆุฑู‡ ููŠู‡ ุฎู„ุตู†ุง ุงู„ูˆุงุฌุจุงุช ุจุณ

390
00:40:27,450 --> 00:40:34,230
ุฅู„ุง ู„ูˆ .. ู„ูˆ ูˆุงุญุฏุฉ ุซุงู†ูŠุฉ ุงู„ู€

391
00:40:34,230 --> 00:40:41,550
list ุฏู‡ negative 2.5 ู…ู† ุบูŠุฑ ุฌุฏูˆู„ุฉ ู„ูˆ ุทู„ุนุช ุนู„ู‰ 2.5

392
00:40:41,550 --> 00:40:47,330
ู‡ุฐู‡

393
00:40:47,330 --> 00:40:55,630
2.5 ุงู„ู…ุณุงุญุฉ ุฏู‡ left ุฅูŠุด ุณูˆุช 9938

394
00:40:55,630 --> 00:41:03,330
ู…ุธุจูˆุท ู‡ุฐู‡ ุงู„ู…ุณุงุญุฉ ู‡ูŠ 9 9 3 8 ุฅูŠุด ููŠ ุงู„ู€