Solution of problem N3561 probability theory

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3561. In a basket 7 balls with numbers 1,2,3,4,5,6,7. Randomly choose three balls, without return. Find the probability that: a) consistently there will be balls with numbers 2,6,7 b) the extracted balls will have numbers 2,6,7 regardless of the sequence in which they appeared.

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  • Content type File
  • Content description 41 kB
  • Updated on the site 10.01.2019
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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Solution of problem N3561 probability theory
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