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Solution of problem N4325 probability theory
4325. In the box were 20 balls. Of these, 12 are white and 8 are black. 2 balls are taken out at random. What is the likelihood that they are the same color?
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: