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Tomtit [17]
3 years ago
8

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

res the 3 oldest?
Mathematics
2 answers:
anastassius [24]3 years ago
5 0
1/3*1/4*1/7= 1/84
It is 9c3
AnnyKZ [126]3 years ago
5 0
There are 3!  = 6 ways he can pick the 3 oldest people
Total number of permutations  of any 3 from 9 = 9P3 =  9*8*7 = 504

so required probability = 6 / 504 = 1/84
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