Chance News (July-August 2005): Difference between revisions
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*[[Forsooth (July-August 2005)]] | *[[Forsooth (July-August 2005)]] | ||
*[[Å probability problem]] | |||
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.<br> | |||
Then we randomly pair the ends and make n joins. Let E(n) be the expected<br> | |||
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>