4369. The box contains 3 white and 2 black balls. Take out two balls at random. Find the probability that:
a) balls of different colors are taken out;
b) two white balls are taken out.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
No feedback yet
Мы используем куки для улучшения работы сайта. Подробнее