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Solution of problem N2860 probability theory
2860. In a group of 25 students in the test, 5 students received “excellent”, 6 - “good”, 7 - “satisfactory”. What is the likelihood that all 4 students called to the board have a rating of "unsatisfactory"?
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
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