Solution of problem N4505 probability theory
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Product description
- There are 8 white and 4 black balls in the urn. A ball is taken out of the urn at random 2 times. Find the probability that both balls removed will be of the same color if the first ball is not returned to the urn.
Additional information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)