Suppose you have a bag containing 5 blue marbles, 6 yellow marbles, 3 green marbles, and 2 red marbles. Let event A = drawing a blue marble on first draw. Let event B = drawing a blue marble on the second draw. Suppose that you randomly draw 2 marbles, one at a time,with replacement.

(a) Find P(A and B).

(b)Find P(A|B).