77. Show that (a) E[XY|Y = y] = yE[X|Y = y] (b) E[g(X,Y)|Y = y] = E[g(X,y)|Y

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77. Show that

(a) E[XY|Y = y] = yE[X|Y = y]

(b) E[g(X,Y)|Y = y] = E[g(X,y)|Y = y]

(c) E[XY] = E[YE[X|Y]]

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Introduction To Probability Models

ISBN: 9780080467825

9th Edition

Authors: Sheldon M Ross

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Question Posted: Sep 19, 2024 02:23 PM

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77. Show that (a) E[XY|Y = y] = yE[X|Y = y] (b) E[g(X,Y)|Y = y] = E[g(X,y)|Y = y] (c) E[XY] = E[YE[X|Y]]
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77. Show that (a) E[XY|Y = y] = yE[X|Y = y] (b) E[g(X,Y)|Y = y] = E[g(X,y)|Y

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Introduction To Probability Models

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