Решение задачи N5309 теория вероятностей
5309. There are 4 defective items in a batch of 20 items. 6 products are selected from the batch for control. Find the probability that 2 of them are defective.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.