Решение задачи N1832 теория вероятностей Бернулли схема

1832. The probability that the monetary receiver of an automaton when triggered by one coin is triggered correctly is 0.97. How many coins should be lowered so that the most probable number of cases of correct operation of the machine would be 100?

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