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Solution of problem N4582 probability theory
4582. The urn contains 50 balls: 20 black, 10 white, 5 red and 15 blue. Find the probability of a white, or black, or red ball appearing in a single operation of removing balls from the urn.
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: