Решение задачи N2781 теория вероятностей
2781. The group of tourists of 10 people consists of 7 young men and 3 girls, chooses an economic team of 4 people by lot. What is the probability that two young men and two girls will be among the elect?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.