Question: Let the joint probability mass function of random variables X and Y be given by Find E(X) and E(Y ). p(x, y) 70 x(x+y) if

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

p(x, y) 70 x(x+y) if x = 1,2,3, y=3,4 0 elsewhere.

Find E(X) and E(Y ).

p(x, y) 70 x(x+y) if x = 1,2,3, y=3,4 0 elsewhere.

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