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Suppose X and Y are discrete random variables with E[X] = 0, E[X?] = 25, E[Y] = 2, E[Y?] = 5, and E[XY] = -1.

Suppose X and Y are discrete random variables with E[X] = 0, E[X?] = 25, E[Y] = 2, E[Y?] = 5, and E[XY] = -1. Find the correlation between X and Y. O (a) -0.5 O (b) -0.2 O (c) - 0.1 O (d) 0 O (e) 0.8

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