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4. X1 and X2 have joint PMF Prob(X1 = x1, X2 0.15 x2) x2 0.15 0.15 0.15 0.20 0.20 (a) Compute the marginal distribution of X1. (b) Compute the marginal distribution of X2. (c) Compute the conditional distribution of X|X2. (d) Compute the conditional distribution of X2|X1. (e) Are X1 and X2 independent? Justify your answer.
4. X1 and X2 have joint PMF Prob(X1 = x1, X2 0.15 x2) x2 0.15 0.15 0.15 0.20 0.20 (a) Compute the marginal distribution of X1. (b) Compute the marginal distribution of X2. (c) Compute the conditional distribution of X|X2. (d) Compute the conditional distribution of X2|X1. (e) Are X1 and X2 independent? Justify your answer.
4 Feb 2023
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