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1 2 4 5. The joint probability function of Yi and Y2 is given. 0 1/8 3/8 Y2 1 2/8 1/8 3 0 1/8

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

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