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OpenStudy (anonymous):
how many 3-person groups can be formed in a club with only 8 people? Explain
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OpenStudy (anonymous):
8C3
OpenStudy (anonymous):
read: 8 choose 3
OpenStudy (john_es):
The above answers are correct. But if you need some additional help, you can check this web page, http://www.mathsisfun.com/combinatorics/combinations-permutations.html In the section "Combinations without Repetition".
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