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Old 07-25-2005, 12:18 PM
SheetWise SheetWise is offline
Senior Member
 
Join Date: Jul 2005
Location: Phoenix
Posts: 841
Default Re: A birthday puzzle

Probability, assuming all are unique - because otherwise somebody else won ...

01. 1/365
02. 1/182.5
03. 1/121.6
...

18. 1/20.3
19. 1/19.2 Cum = 19/19.2
20. 1/18.3 Cum = 20/18.3
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