Решение задачи N4593 теория вероятностей
4593. There are 10 balls in the urn: 3 white and 7 black. One ball was taken out of the urn at random. What is the probability that this is a ball: a) White, b) Black?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.