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Mathematics, 01.05.2021 01:40 LilFreaky666

A bag contains 3 red balls and 1 blue ball. A second bag contains 1 red ball and 1 blue ball. A ball is randomly picked from each bag and is then placed in the other bag. What is the expected number of red balls in the first bag? (mean or expected value)

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A bag contains 3 red balls and 1 blue ball. A second bag contains 1 red ball and 1 blue ball. A ball...
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