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Roulette puzzle

Posted By: Ian Shaw
Date: Wednesday, 28 April 2010, at 10:05 a.m.

In Response To: Roulette puzzle (Ian Shaw)

Harvard correctly points out that when you win, you get your $1 stake back plus $35, so you only need to win three times to avoid being poorer.

If I put this into the formula I derived before, I get the probability of coming out ahead as 54.3%, so the answer is, surprisingly, E. The casino makes all its money on the losing sessions, even though they are in a minority.

I wonder how many consecutive wins you can achieve before they politely ask you to leave?

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