Solution of problem N2848 probability theory
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- 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.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)