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If exactly three of the taxis are in need of repair, what is the probability that every airport receives one of the taxis requiring repairs?

If exactly three of the taxis are in need of repair, what is the probability that every airport receives one of the taxis requiring repairs?
asked 71.3k views
5 votes
If exactly three of the taxis are in need of repair, what is the probability that every airport receives one of the taxis requiring repairs?

asked
User Luca Ziegler
by
8.5k points

1 Answer

2 votes
Probability is:

x- all taxis
3- taxis in need of repair

Prob. = x! / 3! * (x-3)!
answered
User Maciej Kasprzak
by
7.0k points
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