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Solution of problem N4179 Laplace probability theory
4179. The probability of an event occurring in each of the 100 independent trials is 0.7. Find the probability that the event will appear: a) at least 65 times and no more than 90 times; b) not more than 50 times.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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