Question
One bag contains 11 red balls and 3 green balls. A second bag contains 7 red balls and 9 green balls. Bob reaches in and
One bag contains 11 red balls and 3 green balls. A second bag contains 7 red balls and 9 green
balls. Bob reaches in and selects one ball from the first bag and places it in the second bag. Then
Alice selects one ball from the second bag. If Alice's ball is green, what is the probability Bob
had selected a green ball?
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Elementary Number Theory With Applications
Authors: Thomas Koshy
2nd Edition
0080547095, 9780080547091
