Решение задачи N2863 теория вероятностей
2863. In a group of 30 students - 9 are poorly performing. From the group at random choose 2 people. What is the probability that among them: a) only one poorly performing student; b) at least one poorly performing student?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.