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Solution of problem N561 Laplace probability theory
561. The probability of obtaining a prize-free ticket is 0,1. What is the probability that among the 400 randomly purchased tickets are not less than 50 and not more than 60 lossless ones?
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: