O3ciseod3avialundrea O3ciseod3avialundrea

28-12-2016
Mathematics

contestada

Nine qualified applicants apply for a part-time job. If the manager randomly hires 3 of them, what is the probability that he hires the 3 oldest?

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nobillionaireNobley nobillionaireNobley

01-01-2017

Number of ways of selecting 3 people from 9 applicants = 9C3 = 84
P(hires the 3 oldest) = 1/84

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