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2. Suppose Y = xz + Z. X is independent of Z. Suppose Pr(X = 0.5. Calculate COV(Y, X) -2.3) = pr(X = 2.3)

2. Suppose Y = xz + Z. X is independent of Z. Suppose Pr(X = 0.5. Calculate COV(Y, X) -2.3) = pr(X = 2.3)

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