penkas1 penkas1

04-01-2017
Mathematics

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

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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 [tex]\dbinom97=\dfrac{9!}{7!(9-7)!}=36[/tex].

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