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# Conditional Probability

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Intern
Joined: 29 Jul 2017
Posts: 1

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29 Jul 2017, 08:08
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Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 3 sessions

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In a bag, there are 5 white balls, 7 red balls and 8 black balls. Three balls are chosen randomly in succession from the bag, one after one. If the first and the third chosen balls are found to be in different colours, find the probability that the second chosen ball is red.

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Math Expert
Joined: 02 Sep 2009
Posts: 55148

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30 Jul 2017, 11:12
jp1528 wrote:
In a bag, there are 5 white balls, 7 red balls and 8 black balls. Three balls are chosen randomly in succession from the bag, one after one. If the first and the third chosen balls are found to be in different colours, find the probability that the second chosen ball is red.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: Conditional Probability   [#permalink] 30 Jul 2017, 11:12
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