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2. Let X and Y be discrete random variables with joint probability function: y f (x, y) = 24X for x - 1,2,4; y -

2. Let X and Y be discrete random variables with joint probability function: y f (x, y) = 24X for x - 1,2,4; y - 2,4,8; x = y 0, elsewhere Calculate the covariance of X and Y. (Hint: first create the joint probability distribution table, then find the marginal distribution function of X and Y)

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