Question: 5.6 Let X, Y be two random variables. Show that for any measurable function for which the expressions below exist, we have E[(X)E[Y |

5.6 Let X, Y be two random variables. Show that for any measurable function ϕ

for which the expressions below exist, we have E[ϕ(X)E[Y | X]] = E[Yϕ(X)]

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