Please explain the combination formula for this. I do not understand nCk=n/(n-k)k From a group of 17

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Please explain the combination formula for this. I do not understand nCk=n/(n-k)k

From a group of 17 people, how many ways are there to select 3 people to receive $50 gift certificates?

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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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Posted Date: Apr 17, 2024 10:41 PM

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Please explain the combination formula for this. I do not understand nCk=n/(n-k)k From a group of 17

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Probability & Statistics For Engineers & Scientists

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