Solution of problem N3110 probability theory

Solution of problem N3110 probability theory

3110. In stock there are 15 kinescopes, and 10 of them are made by Lviv plant. Find the probability that among 7 randomly taken kinescopes there will be 3 kinescopes of the Lvov plant.

Additional information:

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

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