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Solution of problem N3089 probability theory
3089. Of the 20 lottery tickets, two winners. Find the probability among 4 tickets taken at random: a) 1 winning; b) at least one winning.
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: