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GMAT prep II - probability question [#permalink]
26 Nov 2007, 13:40

Hi!
This is a pretty basic one, but I got it wrong...

Josh and Jose work at an auto repair center with 4 other workers. For a survey on health insurance, 2 of the 6 workers will be randomly chosen to be interviewed. What is the probability that both Josh and Jose will be chosen?

Re: GMAT prep II - probability question [#permalink]
26 Nov 2007, 16:34

jthong wrote:

Hi! This is a pretty basic one, but I got it wrong...

Josh and Jose work at an auto repair center with 4 other workers. For a survey on health insurance, 2 of the 6 workers will be randomly chosen to be interviewed. What is the probability that both Josh and Jose will be chosen?

a) 1/15 b) 1/12 c) 1/9 d) 1/6 e) 1/3

Thanks! -Jackie

Oops messed it up a bit.

A.

6!/4! = 30. We have J and J and then J and J. so 2/30= 1/15.

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