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OpenStudy (anonymous):
A small company has 15 employees. Five of these employees will be selected randomly to be interviewed as part of an employee satisfaction program. How many different groups of five can be selected?
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OpenStudy (anonymous):
I think 75
OpenStudy (kinggeorge):
\[\binom{15}{5}=3003\]
OpenStudy (kinggeorge):
15-choose-5 or \[15! \over 5!(15-5)!\]
OpenStudy (anonymous):
yes george is on point
OpenStudy (anonymous):
cool thanks.
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OpenStudy (kinggeorge):
You're welcome.
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