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THE DAILY PROBABILITY PUZZLEOctober 25, 2026 · ET
No. 032StrategyMedium6 min

Can the underdog win two games?

A player has a 1 in 5 chance of winning each game against an opponent. They play a best-of-three series: the first player to win two games wins the series.

What is the chance this player wins the series?

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