SOLUTION: According to the movie X-men, about 7% of the population in Oxnard has a particular genetic mutation. 790 people are randomly selected. Find the mean (μ) and the standard devia

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Question 1191057: According to the movie X-men, about 7% of the population in Oxnard has a particular genetic mutation. 790 people are randomly selected.
Find the mean (μ) and the standard deviation (σ) for the number of people with the genetic mutation in such groups of 790.
μ=__ (Please show your answers to 1 decimal place.)
σ=__ (Please show your answers to 1 decimal place.)
Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.

Binomial distribution.



Mean = n*p = 790*0.07 = 55.3.


Standard deviation = sqrt%28n%2Ap%2A%281-p%29%29 = sqrt%28790%2A0.07%2A%281-0.07%29%29 = 7.2.

Solved.