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A jar contains 16 marbles, of which 4 are red, 3 are blue, [#permalink]
11 Dec 2008, 18:26
A jar contains 16 marbles, of which 4 are red, 3 are blue, and the rest are yellow. If 2 marbles are to be selected at random from the jar, one at a time without being replaced, what is the probability that the first marble selected will be red and the second marble selected will be blue?