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Roulette puzzle correction #2

Posted By: Ian Shaw
Date: Thursday, 29 April 2010, at 12:40 p.m.

In Response To: Roulette puzzle correction #2 (Sam Pottle)

"The 107! should be "108 choose 2", or 108*107/2."

That was my feeling, too Sam.

Joe's equation then becomes:

0 wins: (37/38)^108
1 wins: +(37/38)^107 * 1/38 * 108
2 wins: +(37/38)^106 * 1/38^2 * 108*107/2
Total = 0.456831926

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