Question: 2. Let the joint probability mass function of random variables X and Y be given by p(x, y) = 1 70 x(x

2. Let the joint probability mass function of random variables X and Y be given by p(x, y) =    1 70 x(x + y) if x = 1, 2, 3, y = 3, 4 0 elsewhere. Find Cov(X, Y ).

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