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Solution of problem N2940 probability theory
2940. In a group of 8 students do vocals, 10 - dancing. What is the probability that among the seven students selected for the contest there will be 3 vocalists and 4 dancers.
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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