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Old 11-12-2007, 05:26 PM
jay_shark jay_shark is offline
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Join Date: Sep 2006
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Default Re: homework help anyone? :)

There are 3c2 ways to select the denomination .
For each denomination there are 3c2 ways to select a pair and 3c1 ways to select a card from the other denomination .

So 3c2*[3c2*3c1 + 3c1*3c2] = 54 .

The probability is 54/9c3 = 9/14
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