Suppose that the conditional distribution of Y given X=X is Poisson with mean E (Y|x)=x, Y|x~POI (x), and that X~EXP (1).a) Find E (Y)b) Find Var (Y)

Suppose that the conditional distribution of Y given X=X is Poisson with mean E (Y|x)=x, Y|x~POI (x), and that X~EXP (1).a) Find E (Y)b) Find Var (Y)

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