Solution of problem N4174 Laplace probability theory

Solution of problem N4174 Laplace probability theory

4174. The probability of an event occurring in each of 150 independent trials is 0.5. Find the probability that the event will appear: a) at least 75 times and not more than 100 times; b) no more than 70 times.

Additional information:

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

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