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November 24, 2014

Homework Help: combinatorics/probability

Posted by Anonymous on Sunday, February 8, 2009 at 4:10pm.

Can't figure this problem out... wasn't great at the combinatorics unit, then it turns out everything carries over to probability.

five couples attend a bridge party, including mr. and mrs. smith. they are randomly assigned partnership pairs.
1. probability mr. smith will have mrs. smith has a partner?
2. probability all five couples will be partners?

thanks!

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