Решение задачи N3404 теория вероятностей
3404. The student managed to prepare for the exam 20 questions out of 30. What is the probability that out of 3 at random the selected questions the student knows at least two.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.