Question: Suppose that fX,Y(x, y) = 2 3 (x + 2y), 0 x 1, 0 y 1 [recall Question 3.7.19(c)]. Find E(X

Suppose that fX,Y(x, y) = 2 3 (x + 2y), 0 ≤ x ≤ 1, 0 ≤ y ≤ 1 [recall Question 3.7.19(c)]. Find E(X + Y).

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