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Solution of problem N2810 probability theory
2810. In a class of 12 boys and 13 girls. On September 1, they will randomly determine two attendants for September 2, who must prepare the class for classes. Find the chances that a boy and a girl will be on duty.
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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