Solution of problem N4172 Laplace probability theory

Solution of problem N4172 Laplace probability theory

4172. The probability of occurrence of an event in each of the 160 independent tests is constant and equal to 0.8. Find the probability that an event will appear at least 120 times and not more than 150 times.

Additional information:

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

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