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penkas1 penkas1
  • 04-01-2017
  • Mathematics
Answered

9 students volunteer for a committee. How many different 7-person committees can be chosen?

Verified Answer :

LammettHash
LammettHash LammettHash
  • 04-01-2017

If order doesn't matter (e.g. all the positions in the committee are essentially identical) then the number of possible choices is \(\dbinom97=\dfrac{9!}{7!(9-7)!}=36\).

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