SOLUTION: Evaluate the permutation. p (13, 2). Please solve and show work, as I am not familiar with this term. Thank you.

Algebra ->  Probability-and-statistics -> SOLUTION: Evaluate the permutation. p (13, 2). Please solve and show work, as I am not familiar with this term. Thank you.      Log On


   

Question 982049: Evaluate the permutation. p (13, 2). Please solve and show work, as I am not familiar with this term. Thank you.
Found 2 solutions by stanbon, rothauserc:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the permutation. p (13, 2).
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P(13,2) = 13!/(13-2)! = 13!/11! = 13*12 = 156
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Cheers,
Stan H.
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Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
p(n,r) = n! / (n-r)!
p(13,2) = 13! / (13-2)!
P(13,2) = 13! / 11!
p(13,2) = 13 * 12 = 156