Solution of problem N3047 probability theory
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3047. The urn contains 5 black and 7 white balls. Randomly take out 4 balls. Find the probability that among them there is:
a) 3 whites.
b) less than 3 whites.
c) at least 1 white.
a) 3 whites.
b) less than 3 whites.
c) at least 1 white.
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- Content type File
- Content description 69,5 kB
- Added to the site 31.10.2018
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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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