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Solution of problem N684 Laplace probability theory
684. The probability of occurrence of an event in one trial is 0.4. With the help of Laplace´s formulas, we can find the probability that, at 120 trials, the event will occur: a) 40 times; b) at least 40 times.
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
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