Solution of problem N3106 probability theory

Solution of problem N3106 probability theory

3106. There are 15 kinescopes in stock, and 10 of them are made at the Rubin plant. Find the probability that among the five taken at random kinescopes will be three kinescope production "Rubin".

Additional information:

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

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