you have two random variables, X and Y with joint distribution given by the following table:...

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math Statistics-And-Probability

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5 f(X)= Marginal于at Σ f(x)の = ク予(y zo.xz.)ー ,2 こ2 J(yzi.xs) ー+3て3 e> E(x)二 ΣΧ.pcn) 는 0,9-o.16

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