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Solution of problem N4909 probability theory
4909. There are 20 parts in the batch, 6 of which are non-standard. All parts are identical in appearance. Determine the probability that out of 5 randomly selected parts at least 2 will be non-standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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Discount for regular customers! If the total of your purchases from the seller
Massimo86
exceeds: