Question

Consider the following probabilities:             P(X=2) = 0.3             P(X=4) = 0.7          

Consider the following probabilities:

            P(X=2) = 0.3

            P(X=4) = 0.7

            P(Y=10 | X=2) = 0.9

            P(Y=20 | X=2) = 0.1

            P(Y=10 | X=4) = 0.25

            P(Y=20 | X=4) = 0.75

Calculate the covariance and correlation between X and Y.

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