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Given X and Y as two discrete randomized variables the joint MGF given below. My.y (s, t) ( 1 + zes + ret testi) A)

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Given X and Y as two discrete randomized variables the joint MGF given below. My.y (s, t) ( 1 + zes + ret testi) A) Find the solution of the covariance of X and Y. B) Solve for the marginal MGF of X. C) Using 2X + Y and X - 2Y solve for the joint MGF

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