SOLUTION: About 6% 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

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Question 1162827: About 6% 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. Round answer to 4 decimal places.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
variance is np(1-p)=400*0.06*0.94=22.56
sd is sqrt(V)=4.7497 people