3. (3 Marks) A bag contains the following 20 balls: 2 are Black (B) and lettered (T) 4 are Black (B) and lettered (Z) 8 are yellow (Y) and lettered (T) 6 is yellow (Y) and lettered (Z) . And we draw 2 balls from the container, one after another, and we return the first one, then we draw the second one, what is a.(0.5 Mark) P(B) b. (0.5 Mark) P(BT) c.(0.5 Mark) P(Z) d(0.5 Mark) P(ZY) e. (0.5 Mark) P(YZ) 1.(0.5 Mark) P(BB) . e. 4