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Unformatted text preview: xy = xy x y x 2 = E(X 2 )-E(X) 2 = E(X-X exp ) 2 = (x-x exp )Pr(x) xy = E[(X-X exp )(Y-Y exp )] = (x-x exp )(y-y exp )Pr(x|y)...
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- Spring '09