My Math Forum Gambling Question pls Help

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 June 17th, 2018, 11:01 AM #1 Newbie   Joined: Jun 2018 From: england Posts: 1 Thanks: 0 Gambling Question pls Help Assume that a gambler plays a fair game where he can win or lose 1 dollar in each round . His initial stock is 200 dollar. He decides a priory to stop gambling at the moment when he either has 500 dollars or 0 dollars in his stock. Time is counted by the number of rounds played. i) show that the probability that he will never stops gambling is zero ii ) Compute the probability that at the time when he stops gambling he has 500 dollars and theprobability that he has zero dollars
 June 17th, 2018, 04:14 PM #2 Global Moderator   Joined: May 2007 Posts: 6,684 Thanks: 658 This is a standard one dimensional random walk with absorbing barriers. Check Google.

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