Solution of problem N4928 probability theory
📂 Mathematics
👤 Massimo86
Product Description
4928. There are 20 parts in a box, 15 of them are standard parts. 4 parts are taken at random. What is the probability that:
a) 3 of them are standard
b) at least one standard
a) 3 of them are standard
b) at least one standard
Additional Information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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