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January 31, 2015

January 31, 2015

Posted by **Anonymous** on Friday, March 22, 2013 at 3:18pm.

- Math -
**Reiny**, Friday, March 22, 2013 at 5:18pmprob of winning = 1/200

expected value

= (1/200)(500) + (1/200)(250)

= 3.75

Since you are paying $5.00 to play, the expected outcome is a loss of $1.25

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