Someone selects one ball randomly from each box so totally


Problem 1: There are three boxes. Box 1 contains one white ball and two black balls; box 2 contains two white balls and one black ball; box 3 contains two white balls and two black ones. Someone selects one ball randomly from each box. So totally, three balls are taken out from three boxes. Find the probability that there are exactly one white ball among selected 3 balls.

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Basic Statistics: Someone selects one ball randomly from each box so totally
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