Решение задачи N3674 теория вероятностей Лапласа

3674. How many times should a symmetric coin be thrown so that with a probability of 0.9 the relative frequency of the appearance of the “coat of arms” differed from the probability of the appearance of the coat of arms of 0.5 by no more than 0.01?

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