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)
No feedback yet
Мы используем куки для улучшения работы сайта. Подробнее