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Solution of problem N4289 probability theory
4289. Of the 20 tickets, numbered from 1 to 20, one is randomly selected. What is the likelihood that the elongated ticket number is not divisible by either 2 or 5?
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: