Решение задачи N3559 теория вероятностей
3559. In the urn there are 7 balls with numbers from 1 to 7. Balls are retrieved at random one by one without return. What is the probability that with the first 4 extracts the numbers of the balls will coincide with the numbers of the extracts?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.