Q30Short answer
Two probability distributions of the discrete random variable X and Y are given below. X 0 1 2 3 Y 0 1 2 3 1 2 1 1 1 3 2 1 P(X) P(Y) 5 5 5 5 5 10 5 10 Prove that E(Y2) = 2 E(X).
Two probability distributions of the discrete random variable X and Y are given below. X 0 1 2 3 Y 0 1 2 3 1 2 1 1 1 3 2 1 P(X) P(Y) 5 5 5 5 5 10 5 10 Prove that E(Y2) = 2 E(X).