I hope the solution

Time left 0:45:24 If Var( X + Y) = 3, Var(X - Y) = 1, E(X) = 1, and E(Y) = 2, then E(XY) 2 ut of Finish 4 Let X be a Poisson random variable such that P( X = 0) = P(X = 2). The expected value of 2X + 1 is out of 41/2 2:/2+1