Question: probability random variables [20] 2. Y1 and Y2 are two discrete random variables, and the joint probability function is given by 92 1 2 3

probability random variables [20] 2. Y1 and Y2 are two discrete

probability random variables

[20] 2. Y1 and Y2 are two discrete random variables, and the joint probability function is given by 92 1 2 3 1 0.05 0.05 0.1 y1 0.05 0.1 0.35 5 0 0.2 0.1 (a) Find the marginal distribution of Y1. (b) Find P(Y2 = 2|Y1 = 3). (c) Find the expected value E(Y1Y2). (d) Are Y1 and Y2 independent? Verify

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