Thread: Random walk question
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Old 08-06-2005, 07:13 AM
BruceZ BruceZ is offline
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Join Date: Sep 2002
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Default Re: Random walk question
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What average number of fair coin flips does it take to lose N bets?

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If you play until you lose N bets or bust your opponent, the average duration is N*(opponent's bankroll). If your opponent is infinitely wealthy so he can't be busted, then the average duration is infinite.
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