X and Y are jointlydistributed random variables Also pXY23

X and Y are jointly-distributed random variables. Also, pXY(2,3) = 0.22, pX(2) = 0.4 and pY(3) = 0.52. What is pX|Y(2,3)? State your answer rounded to three decimal places.

X and Y are two jointly-distributed random variables. Also, E(X) = 38.9 and E(Y) = 19.7. What is the value of E(19.8X - 37.8y)? State your answer rounded to two decimal places