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April 18, 2014

April 18, 2014

Posted by **karen** on Tuesday, March 13, 2012 at 8:59pm.

- math -
**Reiny**, Tuesday, March 13, 2012 at 9:38pmnumbers of groups of twos from 50 = C(50,2) = 1225

number of possible groups of twos from 100 = 4950

prob = 2(1225)/4950 = 49/99

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