Use the Following Information for Questions

Multiple Choice

Use the following information for questions:
A child is observing squirrels in the park and notices that some are black and some are gray. For the next five squirrels she sees, she counts X = the number of black squirrels. Suppose X is a binomial random variable with n = 5 and p = 0.50.
-What is the expected number of black squirrels she will see, E(X) ?

A) 2.0
B) 2.5
C) 3.0
D) 3.5