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(a) Find the density of X alone, fX(x). (b) Find E[X]. (c) Find Var[X]. (d) Find E[XY]. (e) Find ?X,Y . (f) Find E[Y|X =

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(a) Find the density of X alone, fX(x).

(b) Find E[X].

(c) Find Var[X].

(d) Find E[XY].

(e) Find ?X,Y .

(f) Find E[Y|X = x]

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