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Solution of problem N249 Laplace probability theory
249. The probability that a pair of shoes taken at random from the manufactured lot will be of the first grade is 0.4. Determine the likelihood that among the 600 couples entering the control, there will be at least 230 pairs of the first class.
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: