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Solution of problem N4383 probability theory
4383. There are 15 white and 10 black balls in a box. Take out 2 balls at random. What is the probability that both balls will turn out to be black?
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: