Решение задачи N3244 теория вероятностей
3244. The urn contains 6 black and 7 white balls. Randomly take out 4 balls. Find the probability that among them there is:
a) 4 white balls;
b) less than 4 white balls;
c) at least one white ball.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.