A ball is drawn from an urn containing 3 white and3 black
Chapter 4, Problem 4.39(choose chapter or problem)
A ball is drawn from an urn containing 3 white and3 black balls. After the ball is drawn, it is replacedand another ball is drawn. This process goes onindefinitely. What is the probability that, of thefirst 4 balls drawn, exactly 2 are white?
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