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Solution of problem N2884 probability theory
2884. There are 30 balls in an urn, 5 of them are black and the rest are white. Take out one, for one 3 balls in a row. What is the probability that 2 black and one white ball will be drawn?
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: