Solution of problem N3143 probability theory
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3143. In a box of 20 pencils, namely 5 red and 15 black. Randomly choose 6 pencils. What is the probability that 5 of them are black?
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- Content type File
- Content description 29 kB
- Added to the site 04.11.2018
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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