Solution of problem N5108 probability theory

Solution of problem N5108 probability theory

5108. 20 products of the first grade and 10 products of the second grade are stored in the warehouse in an unsorted form. Find the probability that among five products taken at random, two will be: a) first grade, b) second grade.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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