Решение задачи N2802 теория вероятностей
2802. In the student group there are 12 boys and 8 girls. Randomly chose 2 students (by numbers in lists) for duty. Find the probability that:
1) both students are girls
2) the young man and the 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.