Difference between revisions of "Chance News (July-August 2005)"

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*[[Forsooth (July-August 2005)]]
 
*[[Forsooth (July-August 2005)]]
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*[[Å probability problem]]
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Here is a nice probability question that one of our students sent us.  If you happen to know a reference to this problem please mention this in the discussion  page for this chance news.
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<quote>QUESTION: We start with n ropes and gather their 2n ends together.<br>
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Then we randomly pair the ends and make n joins. Let E(n) be the expected<br>
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number of loops. What is E(n)? <endquoter>

Revision as of 19:14, 1 July 2005

Under construction. See Chance News (May-June 2005) for additional recent chance news.

Numbers are like people; torture them enough and they'll tell you anything.


Here is a nice probability question that one of our students sent us. If you happen to know a reference to this problem please mention this in the discussion page for this chance news.


<quote>QUESTION: We start with n ropes and gather their 2n ends together.
Then we randomly pair the ends and make n joins. Let E(n) be the expected
number of loops. What is E(n)? <endquoter>