Решение задачи N1116 теория вероятностей Лапласа

1116. How many experiments it is necessary to assert with the probability of 0.9 that the frequency of the event of interest to us will differ from the probability of occurrence of this event equal to 0.4, not more than 0.1.

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