Решение задачи N3285 теория вероятностей
3285. In the urn 5 white and 10 black balls. What is the probability that by removing 4 balls at random, we get whites:
a) at least 2,
b) exactly 3.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.