Решение задачи N1128 теория вероятностей Лапласа

1128. How many seeds should be selected to determine the percentage of germination so that, with a probability of 0.977, it could be argued that the deviation of the frequency of appearance of benign seeds from the probability of 0.9 did not exceed in absolute magnitude 0.02?

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