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3 Three urns contain, respectively, 1 white and 2 black balls, 2 white and 1 black balls, 2 white and 2 black balls. A blindfold man transfers one ball from the first urn into the second, then one ball from the second urn into the third. A ball is drawn from the third urn. What is the probability of its being white?

3 Three urns contain, respectively, 1 white and 2 black balls, 2 white and 1 black balls, 2 white and 2 black balls. A blindfold man transfers one ball from the first urn into the second, then one ball from the second urn into the third. A ball is drawn from the third urn. What is the probability of its being white?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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3 Three urns contain, respectively, 1 white and 2 black balls, 2 white and 1 black balls, 2 white and 2 black balls. A blindfold man transfers one ball from the first urn into the second, then one ball from the second urn into the third. A ball is drawn from the third urn. What is the probability of its being white?
Transcribed Image Text:3 Three urns contain, respectively, 1 white and 2 black balls, 2 white and 1 black balls, 2 white and 2 black balls. A blindfold man transfers one ball from the first urn into the second, then one ball from the second urn into the third. A ball is drawn from the third urn. What is the probability of its being white?
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