Solution of problem N2824 probability theory

Solution of problem N2824 probability theory

2824. In an urn there are 26 white balls and 6 black balls. Find the probability that:
a) pulled out a white ball;
b) pulled out 2 white balls;
c) pulled out 3 black balls.

Additional information:

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

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