1 x_ 2 Note the well-known formulae: f(x) = e a a\") ' p(x) =e (\"/55 x! I. Urn I has 4 red balls and 6 black; Urn II has 4 red and 2 black. A ball is chosen at random from Urn | and put into Urn ||. A ball is then chosen at random from Urn ||. Find the probability that a. the ball chosen from Urn II is red b. the ball chosen from Um I was red given that a red ball was chosen from Urn II II. 3. Consider X, Y with joint pdf given by table. Find X 1 1 3 4 1. P(X>1| Y=2) 2. Var(Y) Y (3 2c 2c 2 3c 3c c 3. The conditional cdf Fxlx | X