Решение задачи N1014 теория вероятностей Лапласа

1014. The probability that the dealer will sell the security is 0.6. How much should there be securities, so that with a probability of 0.99 it could be hoped that the share of sold securities deviates from 0.6 to no more than 0.05?

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