Let X1, ..., Xn be independent discrete random variables with common p.m.f. px given by 1 10 if x = 1, 2, ..., 10 Px(2) = 0 otherwise. (a) Find the probability that X1 = X2 = .. . = Xn. (b) Let M = max {X1, ..., Xn}. Compute P(M X2)