SOLUTION: Maggie is applying to college. There are only two outcomes for each application. It is either accepted or rejected. Each application she sends has a 0.70 probability of being ac

Question 850328: Maggie is applying to college. There are only two outcomes for each application. It is either accepted or rejected. Each application she sends has a 0.70 probability of being accepted. She applies to 10 colleges. (2 points)
What is the expected value and variance for the random variable �number of acceptances�?

Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
Let X be a random variable that represents the number of acceptances.
X is a binomial with n = 10 and p = 0.70
E[X] =
Var[X] =

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