Show that: (a) Cov(X,Y) = E[XY] – E[X]E[Y]. (b) If X and Y are independent, then fY|X(y|x) = fY(y)
Show that: (a) Cov(X,Y) = E[XY] – E[X]E[Y].
(b) If X and Y are independent, then fY|X(y|x) = fY(y)
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