Problem N5631 probability theory confidence interval
📂 Mathematics
👤 Massimo86
Product Description
5631. The time spent on the manufacture of one part is a random variable distributed according to the normal law. In a random survey of 100 workers, it was revealed that an average of 6 minutes was spent on the manufacture of one part. Find with a reliability of 0.99 a confidence interval for estimating the true time spent a for the manufacture of one part, if its standard deviation σ=0.5 min.
Additional Information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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