Решение задачи N2854 теория вероятностей
2854. There are 8 red, 5 yellow, and 3 blue balls in an urn. Randomly take out 2 balls. What is the probability that 2 balls will turn red?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.