13.07.2015 Views

Central Limit Theorem, Random Walk, Brownian Motion

Central Limit Theorem, Random Walk, Brownian Motion

Central Limit Theorem, Random Walk, Brownian Motion

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How long can we play?CLT and<strong>Random</strong><strong>Walk</strong>JeffreySchenkerA GameWorking onthe ProblemInterlude:Gambler’sRuinCLTRand. <strong>Walk</strong><strong>Brownian</strong><strong>Motion</strong>Suppose we each start with $10.Sooner or later one of us runs outof money. How long does it take?It takes a random amount oftime.But.... we can say somethingabout it nonetheless.

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