Решение задачи N1734 теория вероятностей Лапласа

1734. Each sailor from the crew arriving at the port of the vessel with a probability equal to 1/3, examines the city, remains on the ship or is in a restaurant. Find the probability that of the 203 crew members at the moment 71 sailor inspects the city.

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