Problem N5724 probability theory sample size
📂 Mathematics
👤 Massimo86
Product Description
5724. Automatic machine stamps rollers. Based on a sample of volume n=100, the sample average of the diameters of the manufactured rollers was calculated. Find with a reliability of 0.95 the accuracy δ with which the sample mean estimates the mathematical expectation of the diameters of the manufactured rollers, knowing that their standard deviation σ=2 mm. It is assumed that the diameters of the beads are normally distributed.
Additional Information
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
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