Mathematics, 15.11.2020 06:40 20alondra04

Alice has two bags of marbles: Bag A contains 8 red and 3 blue marbles, and Bag B contains 5 red and 7 blue marbles. She randomly selects a bag and then draws one marble at random. It is blue. What is the probability that it came from Bag B? Can you explain why the answer is 77/113?

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Alice has two bags of marbles: Bag A contains 8 red and 3 blue marbles, and Bag B contains 5 red and...

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