Решение задачи N4910 теория вероятностей
4910. There are 30 parts in the batch, 5 of them are non-standard. 4 parts are taken at random. What is the probability that there are more than two standard parts among the parts taken?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.