Question: 7. Let X and Y have the joint probability density function below. Determine if E(XY ) = E(X)E(Y ). f (x, y) =

7. Let X and Y have the joint probability density function below. Determine if E(XY ) = E(X)E(Y ). f (x, y) =    3 4 x2 y + 1 4 y if 0 < x < 1 and 0 < y < 2 0 elsewhere.

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