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A government agency is interviewing 8 people for 2 job openings. How many combinations of 2 people could be hired from the 8 people?
16 years ago

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economyst
The n-choose-x formula is n!/x!(n-x)!
where ! means factorial.
Soooooo
8!/2!(8-2)! = 7*8/2 = 28 ways
16 years ago

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