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December 20, 2014

December 20, 2014

Posted by **phil** on Saturday, February 25, 2012 at 9:48pm.

- Probability -
**MathMate**, Saturday, February 25, 2012 at 10:55pmAssuming the father is one of the five people, so that leaves us with only four to choose from for 4 places.

The first place can be filled with 4 choices, the second with 3, and so on.

So the number of arrangements is

4*3*2*1=4! with the father always on the right.

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