4310. In the box are 10 black and 7 white balls. Two ba
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Description 4310. In the box are 10 black and 7 white balls. Two ba
4310. In the box are 10 black and 7 white balls. Two balls are taken out at random. What is the probability that the balls will be 1) different colors, 2) 2 black.
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)