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-3 votes

Winning chance in coins game with fixing

Maybe I misunderstood the rules, but I see no need to reach the lose condition. "They have 20 fair coins, which may in any round be live or fixed": So just never fix any coins except the one ...
Lichtbringer's user avatar
6 votes

Winning chance in coins game with fixing

This is not nearly as elegant as GoblinGuide's simple answer: https://puzzling.stackexchange.com/a/126192/1777 The probability of winning is always: Strategy: For any given N coins, there is: This ...
LeppyR64's user avatar
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40 votes
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Winning chance in coins game with fixing

GoblinGuide's user avatar

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