What is the probability that confounding factor fall to the right of 95% ?: (A) 1 in 5, (B) 1 in 10, (C) 1 in 20, (D) 1 in 40
Answer is D. Ans. is 'd' i.e., l in 40 Similar to above question i) values out side the 95% (2SD) --> 4 5% (1 in 20). ii) values above (right to) the 95% (2SD) --> 2.5% (1 in 40) iii) values below (left to) the 95% (2SD) --> 2.5% (1 in 40)