Solution of problem N4183 Laplace probability theory

Solution of problem N4183 Laplace probability theory

4183. The probability of an event occurring in each of 120 independent trials is 0.4. Find the probability that the event will appear: a) at least 80 times and not more than 100 times; b) no more than 60 times.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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