Question

Suppose X and Y are jointly distributed with density

f(x,y)ce-(=/2+y/4) 0<y<I < 0 otherwise 0\

a. Find c.

(b) Find the marginal distribution of X and Y.

(c) Find P(X > 2).

(d) Find (E[X2 ]).

(e) Find the conditional distribution of Y, given that X = 1.

(f) E[X], E[Y], E[XY], Cov(X,Y) and ρXY

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Answer #1

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