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December 20, 2014

December 20, 2014

Posted by **Lena** on Tuesday, September 7, 2010 at 9:25pm.

- math -
**Reiny**, Tuesday, September 7, 2010 at 11:15pmprob of 1 head and 1 tail = (1/2)(1/2) + (1/2)(1/2) = 1/2

prob of 1 head, 1 tail, and a 3

= (1/2)(1/6) = 1/12

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