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November 30th, 2007, 08:14 AM  #1 
Newbie Joined: Oct 2007 Posts: 10 Thanks: 0  a probability/gambling/odds making question
Hello If you make an even bet that two people in a group would have the same birthday, why is it that whenever there are more than twentytwo people in the room you have an edge? Also, can someone explain in general terms what specific branches of probability this question involves and recommend books and/or internet resources for learning such skills and doing loads of practice problems? Thanks so much! 
November 30th, 2007, 11:16 AM  #2  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 937 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: a probability/gambling/odds making question Quote:
1  product (n = 1, 22, (366  n) / 365) Quote:
 

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