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OpenStudy (anonymous):
A club wants to choose a committee of 4 people from its 12 members. How many ways can the committee be chosen? A. 11,880 B. 19,958,400 C. 48 D. 495
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OpenStudy (anonymous):
C, because 4 times 12 is equal to 48.
OpenStudy (anonymous):
no of ways of choosing r people from total n people is nCr=n!/(r!*(n-r)! here n=12 and r=4
OpenStudy (anonymous):
do you know permutations and combinations?? @marie123
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