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2848. In the group of 30 students. At the test work received: 6 students - five, 10 - fours, 9 - triples, 5 - two. What is the probability that the three students called to the board all have unsatisfactory grades.
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- Content type File
- Content description 29 kB
- Added to the site 23.10.2018
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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