perplexus.info :: Probability : Pair Playing Probability

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)

Comments: ( Back to comment list | You must be logged in to post comments.)

re(2): I undestood right? - to Charlie

| Comment 4 of 32 |

(In reply to re: I undestood right? by Charlie)

I read yet the posting of OOO.

But I disagree with you. The odds of a certain pair is 1/C(N,2), not (N/2)/C(N,2).

What are the odds of you and I play each other in the first round?

Posted by pcbouhid on 2005-08-02 18:13:14

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