Solution of problem N5060 probability theory

Solution of problem N5060 probability theory

5060. The box contains 90 good and 10 defective parts. The assembler sequentially takes 10 parts out of the box without returning. Find the probability that among the parts taken: a) there are no defective ones; b) at least one defective

Additional information:

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

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