Question: Suppose that X and Y are discrete random variables with the joint pdf (x, y) fX,Y(x, y) (1, 2)..1/2 (1, 3)..1/4 (2, 1)..1/8 (2, 4)..1/8

Suppose that X and Y are discrete random variables with the joint pdf
(x, y) fX,Y(x, y)
(1, 2)………………………..1/2
(1, 3)..………………………1/4
(2, 1)..………………………1/8
(2, 4)..………………………1/8
Find the correlation coefficient between X and Y.

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