A grinding machine in an auto-parts factory prepares axles with a target diameter of u = 40.33
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Mathematics, 17.04.2020 15:47 Falconpride4079
A grinding machine in an auto-parts factory prepares axles with a target diameter of u = 40.33
millimeters (mm). The machine has some variability, so the standard deviation of the diameters
is o = 0.006 millimeter. The machine operator inspects a random sample of 9 axles each hour for
quality control purposes and records the sample mean diameter x
Answers: 2
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