Find the covariance and correlation for the stocks A and B from Example 4.16 with the joint probability distribution in Table 4.7.

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Table 4.7 Joint Probability Distribution for Random Variables X and Y Y RETURN X RETURN 0% 5% 10% 15% 0% 0.0625 0.0625 0.0625 0.0625 5% 0.0625 0.0625 0.0625 0.0625 10% 15% 0.0625 0.0625 0.0625 0.0625 0.0625 0.0625 0.0625 0.0625