Suppose (X; Y;Z) is a random vector with joint probability density function 3 -xyz2 0<x<1,0<y<2,0<z<2 fx.x.z(x,y,z) = 8 else 1. Find E(X + Y + Z). 2. Let W=X", Find f (w) 3. P(X<0.5|Z>1.5) 2
Suppose (X; Y;Z) is a random vector with joint probability density function 3 -xyz2 01.5) 2
