HMMT 2007 F5
- General 2
- Answer
A best of 9 series is to be played between two teams. That is, the first team to win 5 games is the winner. One of the teams, the Mathletes, has a chance of winning any given game. What is the probability that the winner is determined in the 7th game?
Dataset text NuminaMath olympiads. Quoted with source.
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\frac{20}{81}
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