Question: What is the answer? Discrete random variable X has E(X) = 5 and V(X) = 3. Discrete random variable Y has E(Y) = 2 and

What is the answer?

Discrete random variable X has E(X) = 5 and V(X) = 3. Discrete random variable Y has E(Y) = 2 and V(Y) = 1. If X and Y are independent random variables, and W = 2X - 4Y, find V(W). O A. -4 O B. -2 O c. 2 O D. 10 O E. 28

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