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y1 2 4 5. The joint probability function of Y1 and Y2 is given. 0 1/8 3/8 2/8 1/8 0 1/8 Find (a) Cov(Y1, Y2)

y1 2 4 5. The joint probability function of Y1 and Y2 is given. 0 1/8 3/8 2/8 1/8 0 1/8 Find (a) Cov(Y1, Y2) and (b) V(Y1 | Y2 = 1). Ans. (a) 1/16 (b) 8/9

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