About 2% of the population has a particular genetic mutation. 400 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in such groups of 400. (If possible, round to 1 decimal place.)
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Step 1
First, we need to find the mean or expected value of the number of people with the genetic mutation in a group of 400. Since 2% of the population has the mutation, we can expect that 2% of 400 or 0.02 x 400 = 8 people in the group will have the mutation. Show more…
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