Example 1: Given a normal distribution of values for which the mean is 70 and the standard deviation is 4.5. 1a: Find the probability that a value is between 65 and 80, inclusive. (This is accomplished by finding the probability of the cumulative interval from 65 to 80.)
1. Get a combo VHS-DVD player. While these will generally lack High-Def outputs and software packages, it's still the least-complciated way to transfer a VHS tape to DVD. 1  A new combo player will probably run between $100-$200, but will probably be available for cheaper on eBay or craigslist.
And your material cost for a single digital file is nothing. So your total cost for this digital file is 7 minutes of labour, which if youâre paying yourself $60,000/year, means that the cost is $3.50. Multiplying this cost by a mark-up factor of 2.85 gives you a price of $9.98.