Problem: calculate the correlation coefficient of X and Y which have the following joint pmf: p(x,y), y = 0, y = 1, y = 2 x = 0, 0.05, 0.05, 0.15x = 1, 0.15, 0.15, 0.10 x = 2, 0.05, 0.10, 0.05 x = 3, 0.05, 0.10, 0.00

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