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Solution of problem N4928 probability theory

Solution of problem N4928 probability theory

Seller: Massimo86

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Product description

  • There are 20 parts in a box, 15 of them are standard parts. 4 parts are taken at random. What is the probability that:

a) 3 of them are standard

b) at least one standard

Additional information

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