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The joint probability distribution of variables X and Y is shown in the table below, where X is the number of tennis racquets and

The joint probability distribution of variables X and Y is shown in the table below, where X is the number of tennis racquets and Y is the number of golf clubs sold daily in a small sports store. X 0 1 2 0 0.13 0.08 0.22 Y 1 0.16 0.14 0.03 2 0.07 0.04 0.13 What is the covariance between X and Y?

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