Решение задачи N4256 теория вероятностей Бернулли

4256. It is known that 70% of a large consignment of goods in identical packages is first-class goods. Find the most probable number of units of the first grade product among the six units selected at random from the total mass, and calculate the probability corresponding to this event.

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