Solution of problem N4499 probability theory

Solution of problem N4499 probability theory

4499. There are 10 white, 15 blue and 25 red balls in the urn. Find the probability that a) 2 balls taken at random will turn out to be white and blue; b) 3 balls taken at random will be all different.

Additional information:

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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