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Question 3. Suppose X is a random variable with E(X) = 10 and Var(X) = 3. Also suppose Y is a random variable with E(Y)

Question 3. Suppose X is a random variable with E(X) = 10 and Var(X) = 3. Also suppose Y is a random variable with E(Y) = 5 and Var(Y) = 1. Assume X and Y are independent. Find (a) E(4X - 5) (b) Var(4X - 5) (c) E(X - Y) (d) Var(X - Y) (e) E(Y2)

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