Among 30 jackets, 10 are red, 10 are black and 10 are yellow. When selecting 5 out of these 30 jackets, what is the probability that 3 red jackets, 1 black jackets and 1 yellow jackets are selected?
Give your answer as a fraction .
Ways that you want/Total number of ways
(10C3 X 10C1 X 10C1)/30C5 should give you the answer