2.3.7. Suppose X1 and X2 are discrete random variables which have the joint pmf p(x1,x2)=(3x1+
x2)/24,(x1,x2)=(1,1),(1,2),(2,1),(2,2), zero elsewhere. Find the conditional mean E(X2x1), when x1
=1. E(x2x1=1)=x2P(x3x1=1).
237 Suppose X1 and X2 are discrete random variables which.pdf
1. 2.3.7. Suppose X1 and X2 are discrete random variables which have the joint pmf p(x1,x2)=(3x1+
x2)/24,(x1,x2)=(1,1),(1,2),(2,1),(2,2), zero elsewhere. Find the conditional mean E(X2x1), when x1
=1. E(x2x1=1)=x2P(x3x1=1)