A bag contains 4 white, 3 blue, and 6 red marbles. A marble is drawn from the bag,

12. A bag contains 4 white, 3 blue, and 6 red marbles. A marble is drawn from the bag,
replaced, and another marble is drawn. Find the probability that:
(a) both marbles are red =
(b) both marbles are blue=
(c) the first marble is red and the second is blue =
(d) one marble is red and the other is blue =
(e) neither is red =
13. Do question 12 assuming that the first marble is not replaced. 

(a) both marbles are red =
(b) both marbles are blue =(c) the first marble is red and the second is blue =
(d) one marble is red and the other is blue =
(e) neither is red =