Question: 8. Let the joint probability mass function of discrete random variables X and Y be given by Find Cov(X, Y ). =(x + y) p(x,y)

8. Let the joint probability mass function of discrete random variables X and Y be given by

=(x + y) p(x,y) = if (x, y) = (1, 1), (1,3),

Find Cov(X, Y ).

=(x + y) p(x,y) = if (x, y) = (1, 1), (1,3), (2, 3) otherwise.

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