Question: Suppose there are two random variables, r and y. Answer in the simplest terms possible. a) Let = = 2x + 3y. Find E(2). b)

Suppose there are two random variables, r and y. Answer in

Suppose there are two random variables, r and y. Answer in the simplest terms possible. a) Let = = 2x + 3y. Find E(2). b) Let w = 3x' + 2y. Find E(w). c) Let x = 6y. Find E(=) and E(w). d) Let y = 5ry. Find E(y) and E(yx = 2)

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