Question: Box A contains one white ball and two red balls. Box B contains one white ball and three red balls. A ball is picked at

Box A contains one white ball and two red balls. Box B contains one white ball and three red balls. A ball is picked at random from box A and put into box B. A ball is then picked at random from box B. Draw a tree diagram for this problem and use it to find the probability that the final ball picked is white.

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