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Solution of problem N5109 probability theory
5109. Out of 20 products of the first grade and 10 of the second grade available in the warehouse, 2 products are taken at random. Find the probability that both of these products are of the first grade. Solved in two ways.
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: