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September 20, 2014

September 20, 2014

Posted by **chick247** on Monday, January 3, 2011 at 6:05pm.

- math -
**PsyDAG**, Tuesday, January 4, 2011 at 9:53amThere are 13 letters and 4 s's.

P = 4/13 for each s.

The probability of both/all events occurring is found by multiplying the the probabilities of the individual events.

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