A big ball contains 3 red,2 white identical balls. If 2 balls are picked at random from the bag,one after the other and with replacement, find the probability that they are different colour?
P(g,r) = 3/5 * 2/5
P(r,g) = 2/5 * 3/5
so, 12/25
P(r,g) = 2/5 * 3/5
so, 12/25