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Internet Message Format  |  1992-12-16  |  916 b 
  1. Xref: sparky sci.math:17015 rec.puzzles:7965
  2. Newsgroups: sci.math,rec.puzzles
  3. Path: sparky!uunet!pipex!bnr.co.uk!bnrgate!corpgate!crchh327!crchh410!bcash
  4. From: bcash@crchh410.BNR.CA (Brian Cash)
  5. Subject: Re: Marilyn Vos Savant's error?
  6. Message-ID: <1992Dec16.074032.21246@bnr.ca>
  7. Sender: news@bnr.ca (News on crchh327)
  8. Nntp-Posting-Host: crchh410
  9. Reply-To: bcash@crchh410.BNR.CA (Brian Cash)
  10. Organization: Bell-Northern Research Ltd.
  11. References: <1992Dec15.012404.24027@galois.mit.edu> <1992Dec15.052211.24395@CSD-NewsHost.Stanford.EDU> <1992Dec15.063213.11742@bnr.ca> <1992Dec15.091823.10100@nmt.edu>
  12. Date: Wed, 16 Dec 1992 07:40:32 GMT
  13. Lines: 8
  14.  
  15. Oops!  I figured out what I did wrong.
  16. I took Boy+Girl to be the same prob. as Boy+Boy and Girl+Girl.
  17. It should be twice as much, making the prob = 1/3, not 1/2.
  18. I was looking at single person cases rather than group cases.
  19. Sorry!  Forget the last post.
  20.  
  21.  
  22. Brian /-|-\
  23.