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Solution of problem N2917 probability theory
2917. In the urn 4 black, 6 white and 5 red balls. Randomly extracted 7 balls. Find the probability that among them will be 2 black, 3 white and 2 red balls.
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: