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October 21, 2014

October 21, 2014

Posted by **Stuck** on Wednesday, December 16, 2009 at 7:37pm.

The answer is 9/14, but how do you get it?

- Math -
**bobpursley**, Wednesday, December 16, 2009 at 7:46pmYou can do it this way:

Pr(either m or P or both)=1-Pr(neither M or P)

Pr(neither)=6/8*5/7*4/6= 120/336=40/112=20/56=10/28= 5/14

Pr(either m or P or both)=1-5/14=9/14

- Math -
**Stuck**, Wednesday, December 16, 2009 at 7:55pmThank you! I always forget you can minus the complement from 1.

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