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Topic: cotpi 56 - Position of a number in a random permutation
Replies: 3   Last Post: Jul 3, 2012 6:30 PM

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cotpi

Posts: 55
Registered: 7/19/11
cotpi 56 - Position of a number in a random permutation
Posted: Jul 3, 2012 4:05 PM
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In a random permutation of the first n natural numbers,
what is the probability that k appears before all the
numbers greater than itself where 1 <= k <= n?

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Originally posted at: http://cotpi.com/p/56/
Correct solutions will be archived at the URL mentioned above.

Solutions to 'Partitioning an integer and its double':
http://cotpi.com/p/55/#solutions



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