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Solution of problem N2848 probability theory
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.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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