We are given two urns as follows. Urn A contains 3 red and 2 white marbles. Urn B contains 2 red and 5 white marbles. An urn is selected at random; a marble is drawn and put into the other urn; then a marble is drawn from the second urn. Find the probability p that both marbles drawn are of the same color.
Added by Collin B.
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Since the urn is selected at random, the probability of selecting urn A is 1/2 and the probability of selecting urn B is also 1/2. Show more…
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