Question
Wed February 20, 2013 By: Liyana Liyakath
 

there are 3 bags each containing 5 white balls and 3 black balls. also there are 2 bags each containing 2 white balls and 4 black balls. A white ball is drawn at random. Find the probability that this white ball is from a bag of the first group.

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Wed February 20, 2013
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