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Solution of problem N2900 probability theory
2900. In a group of 30 students, 8 students did not prepare for the exam. 4 students are randomly called. What is the probability that two of them are prepared, and two are not?
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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