SOLUTION: About 9% of the population has a particular genetic mutation. 800 people are randomly selected.
Find the standard deviation for the number of people with the genetic mutation in
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Question 1184268: About 9% of the population has a particular genetic mutation. 800 people are randomly selected.
Find the standard deviation for the number of people with the genetic mutation in such groups of 800. (Remeber that standard deviation should be rounded to one more decimal place than the raw data, in this case 1 decimal place is necessary.)
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
mean is np=72
variance is np(1-p)=72*0.91=65.52
sqrt(V)=8.1 people, sd.
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