1. If the probability of a boy's being born is 1/3, and a family plans to have 6 children, what is the expected number of boys?
(A)1
(B)2
(C)3
(D)5
(E)6
theawkwardcellist wrote:1. If the probability of a boy's being born is 1/3, and a family plans to have 6 children, what is the expected number of boys?