Solution of problem N4406 probability theory
Sold 0
Refunds 0
Good feedbacks 0
Bad feedbacks 0
4406. There are 20 white and 30 black balls in a box. We took 10 balls at random. What is the probability that there are 6 white balls among them?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)