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Solution of problem N3057 probability theory
3057. In the urn 10 balls. The probability that among two balls simultaneously taken out of it there will not be a single white - 2/9. How many white balls are in the urn?
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: