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

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*[[Forsooth (July-August 2005)]] | *[[Forsooth (July-August 2005)]] | ||

+ | *[[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> | ||

+ | 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>