Решение задачи N2849 теория вероятностей
2849. In a group of 30 students in the test, 6 students received "5", 10 students - "4", 9 students - "3", the rest - "2". Find the probability that 3 students, called to the board, received the test work "2".
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.