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321 Probability & Statistics (5 points) Evaluate Var (-3X+7/X>2) if the PMF of X is given by k = 0,1,2 Px(k) = k =

321 Probability & Statistics (5 points) Evaluate Var (-3X+7/X>2) if the PMF of X is given by k = 0,1,2 Px(k) = k = 6,7,8 0, otherwise y=-3x+7) 2 vor(y)= [4] -(F[4]) ? -(6243) P Pylm PGM) 91

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