Решение задачи N2772 теория вероятностей
2772. A group of tourists in which 8 young men and 5 girls choose by lot 4 attendants. What is the probability that 2 boys and 2 girls will be selected.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.