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Pair Playing Probability (Posted on 2005-08-02) Difficulty: 3 of 5
There are N players in a tennis tournament. Assuming the initial pairings are done randomly, what are the odds that a certain pair will play each other?

See The Solution Submitted by Old Original Oskar!    
Rating: 3.0000 (2 votes)

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Some Thoughts re: my new answer -- still wrong | Comment 16 of 31 |
(In reply to my new answer by pcbouhid)

The number of rounds isn't sqrt(N) but log2(N)... this problem seems to be your Nemesis, Pcbouhid!  ;-)
  Posted by Federico Kereki on 2005-08-03 20:57:51

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