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Solution of problem N3293 probability theory
3293. In an urn there are 12 white, 5 red and 3 black balls. Three balls are taken at random. Find the probability that
a) all the balls will be red?
b) at least one ball will be black?
c) two balls will be white?
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: