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Richard has 3 Green, 2 Red, 3 Blue balls in a bag. He [#permalink]
22 Jan 2005, 20:36
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Richard has 3 Green, 2 Red, 3 Blue balls in a bag. He randomly picks 5 from the bag without replacement. What is the probability that out of the 5 balls drawn, he has picked 1 Red, 2 Green and 2 Blue balls.
(This is a 48+ problem, Hypogeometric.)