Difference between revisions of "1996 AIME Problems/Problem 6"

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== See also ==
 
== See also ==
* [[1996 AIME Problems]]
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*[[1996 AIME Problems]]
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{{AIME box|year=1996|num-b=5|num-a=7}}

Revision as of 14:56, 24 September 2007

Problem

In a five-team tournament, each team plays one game with every other team. Each team has a $50\%$ chance of winning any game it plays. (There are no ties.) Let $\dfrac{m}{n}$ be the probability that the tournament will product neither an undefeated team nor a winless team, where $m$ and $n$ are relatively prime integers. Find $m+n$.

Solution

See also

1996 AIME (ProblemsAnswer KeyResources)
Preceded by
Problem 5
Followed by
Problem 7
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All AIME Problems and Solutions