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November 20, 2014

November 20, 2014

Posted by **allen** on Sunday, December 13, 2009 at 9:19pm.

- math -
**Reiny**, Sunday, December 13, 2009 at 9:31pmThis is an example of conditional probability

P(A│B) read: the probabiltiy of B, given A

= P(A and B)/P(B)

P(A and B) = (1/6)(1/2) = 1/12

P(B) = 1/2

so P(A│B) = (1/12)/(1/2) = 1/6

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