Решение задачи N2774 теория вероятностей
2774. A group of tourists from 5 young men and 15 girls chooses by lot the economic team of 4 people. What is the probability that two men and two girls will be in the elect?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.