Решение задачи N2805 теория вероятностей
2805. 9 schoolchildren went to a hike: 6 boys and 3 girls. The lot determines the two attendants. What is the probability that 1 boy and 1 girl will be on duty?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.