find probabaility that exactly 2 white cards are drawn

Infiniti

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Oct 20, 2007
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"Of three urns, the first contains 2 white and 4 black cards, the second contains 8 white and four black cards, and the third contains 1 white and 3 black card. If one card is selected from each urn, find the probability that exactly 2 white cards are drawn"
 
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