SOLUTION: How many diffrent ways are there for an admission officer to select a group of 7 college candidates from a group of 13 applications from a group of 13 applicants from an interview?
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Question 338960: How many diffrent ways are there for an admission officer to select a group of 7 college candidates from a group of 13 applications from a group of 13 applicants from an interview? Found 2 solutions by stanbon, edjones:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many different ways are there for an admissions officer to select a group of 7 college candidates from a group of 13 applications from a group of 13 applicants from an interview?
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13P7 = 13!/[6!*7!] = 8,648,640 ways
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Cheers,
Stan H.
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You can put this solution on YOUR website! Since we are not interested in the arrangement of the students this is a combination problem.
nCr=n!/(n-r)!r!
=13!/(13-7)!7!
=1,716 different ways.
.
Ed
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