Решение задачи N2987 теория вероятностей
2987. In a group of 25 students, among which 10 girls, 7 tickets to a disco were purchased. Find the probability that among the ticket holders will be 3 girls and four boys.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.