What is the difference between the number of three-member committees that can be formed from a group

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What is the difference between the number of three-member committees that can be formed from a group of nine members and the total number of ways there are to arrange the members of such a committee?

  1. 0
  2. 84
  3. 252
  4. 420
  5. 504
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1014 Practice Questions For The New GRE

ISBN: 9780375429682

2nd Edition

Authors: The Princeton Review

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