Question

given x,y are independent random variable. i.e PxY(X,Y)=PX(X).PY(Y). Prove that (1) E(XK.YL)=E(XK).E(YL). Where K,L are integer(1,2,3-----)...

given x,y are independent random variable. i.e PxY(X,Y)=PX(X).PY(Y). Prove that

(1) E(XK.YL)=E(XK).E(YL). Where K,L are integer(1,2,3-----)

(2) Var(x.y)= var(x).var(y).

Math   Statistics-And-Probability   
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