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Solution of problem N4397 probability theory
4397. There are 9 white and 8 black balls in the basket. We took out 2 balls from the basket. What is the probability that both balls will turn out to be different colors?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
Massimo86
exceeds: