Solution of problem N5088 probability theory

Solution of problem N5088 probability theory

5088. There are 24 parts in a box, 13 of which are defective. The assembler draws 3 pieces at random. Find the probability that:
a) the extracted parts are of high quality,
b) among the extracted parts, 1 is defective and 2 are of high quality.

Additional information:

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

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