Thread: The odds of trips.
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Old 09-19-2005, 03:55 PM
LetYouDown LetYouDown is offline
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Default Re: The odds of trips.
Combin(49,2) = 49!/(47! * 2!) = 49 * 48/2 = 1176

...as a formula:

C(N,R) = N!/[(N-R!) * R!]
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