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Pastimes : Time for anything Mental?
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To: Ricardo Villa who wrote (11)6/22/1997 9:55:00 PM
From: Fred McCutcheon   of 69
 
Probability of no two having the same birthday =
1*(1-1/365)*(1-2/365)*...........*(1-39/365)

This Calculates to about 10.9% probability of no mutual birthday or 89.1% probability of two persons sharing a birthday.

Fred McCutcheon
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