SOLUTION: About 5% of the population has a particular genetic mutation. 400 people are randomly selected. Find the mean for the number of people with the genetic mutation in such groups o

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Question 1200561: About 5% of the population has a particular genetic mutation. 400 people are randomly selected.
Find the mean for the number of people with the genetic mutation in such groups of 400.
Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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    5% of 400 people is 0.05*400 = 5*4 = 20 people.    ANSWER

Solved.