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Pair Playing Probability (Posted on 2005-08-02)

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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Subject	Author	Date
Explanation to Puzzle Answer	K Sengupta	2022-12-31 00:30:30
answer	K Sengupta	2007-09-01 05:29:24
The Solution?? - correction	Paul	2005-08-29 02:28:28
The Solution???	Paul	2005-08-29 02:01:47
Solution for any one round	Paul	2005-08-28 12:36:13
Solution	owl	2005-08-18 14:56:32
variable change	Adam	2005-08-08 22:37:57
re: No Subject - to riten	pcbouhid	2005-08-08 15:01:01
No Subject	riten	2005-08-08 13:50:23
re(3): The full tournament - to e.g.	pcbouhid	2005-08-05 14:22:49
re(2): The full tournament	e.g.	2005-08-05 01:30:58
Logic?	Cory Taylor	2005-08-04 21:50:38
re: The full tournament	pcbouhid	2005-08-04 20:10:41
forget, FK, it´s wrong again	pcbouhid	2005-08-04 20:01:05
Hey, FK, another answer...	pcbouhid	2005-08-04 17:27:21
re(2): my new answer -- still wrong	pcbouhid	2005-08-03 21:14:00
re: my new answer -- still wrong	Federico Kereki	2005-08-03 20:57:51
my new answer	pcbouhid	2005-08-03 19:44:05
re(2): my answer - you´re right	pcbouhid	2005-08-03 18:17:14
re: my answer	e.g.	2005-08-03 16:25:06
my answer	pcbouhid	2005-08-03 16:04:48
re: My Answer	Federico Kereki	2005-08-03 04:07:48
My Answer	Gary	2005-08-03 03:02:17
A special case	e.g.	2005-08-02 21:57:38
re(3): I undestood right? - no, WRONG.	Federico Kereki	2005-08-02 20:09:12
The full tournament	Charlie	2005-08-02 19:05:57
re(2): I undestood right? - Charlie	pcbouhid	2005-08-02 18:44:16
re(2): I undestood right? - no, WRONG.	pcbouhid	2005-08-02 18:18:16
re(2): I undestood right? - to Charlie	pcbouhid	2005-08-02 18:13:14
re: I undestood right? - no, WRONG.	Old Original Oskar!	2005-08-02 15:53:45
re: I undestood right?	Charlie	2005-08-02 15:11:25
I undestood right?	pcbouhid	2005-08-02 15:02:08

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