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Solution of problem N2505 probability theory
2505. Among 25 students, of which 15 girls, four tickets are drawn, and everyone can win only one ticket. What is the probability that among the ticket holders will be four girls?
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
Massimo86
exceeds: