Решение задачи N3097 теория вероятностей
3097. In a group of 7 boys and 14 girls, 3 movie tickets are drawn by lot. What is the probability that tickets will go to 1 boy and 2 girls?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.