Solution of problem N4550 probability theory
Seller: Massimo86
Price: 0.20 USD
Available. The final price depends on the selected options and is checked before payment.
Product description
- There are 3 white and 9 black balls in the urn. One ball is taken out of the urn at random. What is the probability that the ball taken out turns out to be black?
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)