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4126. 80% of products entering the store from the wareh 2019

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Description

4126. 80% of products entering the store from the warehouse, the highest grade. How many products will have to be randomly taken from the warehouse for a control check, so that with a probability of 0.99 it can be stated: in the store of products of the highest grade from 75% to 85%?

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Additional information

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

$ 0.47