Find P(k < E[k]) when:
(a) k is Geometric(1/3)
(b) ke is Binomial(6, 1/2)
(c) k is Poisson(3)
a) P(k < E(k)) = 1/3
b) P(k < E(k]) = 1/2
0) P(k < E(k)) = e 3