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Solution of problem N4503 probability theory
4503. The urn contains three blue, five red and two white balls. Twice at random, one ball is removed without returning them back. Find the probability that white balls were drawn both times.
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: