SOLUTION: An urn contains 2 white and 4 black balls. Another urns B contains 5 white and 7 black balls. A ball is transferred from the urn A to the Urn B, then a ball is drawn from the urn B

Algebra ->  Probability-and-statistics -> SOLUTION: An urn contains 2 white and 4 black balls. Another urns B contains 5 white and 7 black balls. A ball is transferred from the urn A to the Urn B, then a ball is drawn from the urn B      Log On


   



Question 745069: An urn contains 2 white and 4 black balls. Another urns B contains 5 white and 7 black balls. A ball is transferred from the urn A to the Urn B, then a ball is drawn from the urn B.Find the probability that it is white.
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