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Given below is the joint probability mass function of X and Y: 1 0 0 0.2 0.1 Y 1 0.1 0.0 0.2 2 0.2

Given below is the joint probability mass function of X and Y: 1 0 0 0.2 0.1 Y 1 0.1 0.0 0.2 2 0.2 0.2 (a) Find E(Y)X=2) and E [Y?1X = 2] (b) VAR(YX=2) 2.

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