Question: (please show how you got your answer) There are two urns. First urn contains 4 red and 8 green balls. Second urn contains 2 red

(please show how you got your answer)

There are two urns. First urn contains 4 red and 8 green balls. Second urn contains 2 red and 2 green balls. We rst draw a random ball from the rst urn and put it into the second urn. Then we draw a random ball from the second urn.

What is the probability that given that we drew a red ball from the second urn, the ball we put from the rst urn to the second urn was green?

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