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Math · Statistics And Probability
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5. Suppose that X and Y have joint pmf as shown: 0 2 1 0 0 2 0 (a) Find the marginal pmf of X, EX, and ox. (b) Find the marginal pmf of Y EY, and oy. 6. For X and Y as in the previous question, find (a) Cov (X,Y). (b) p(X,Y). (c) Are X and Y independent? Support your answer

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