Mathematics, 24.06.2019 09:20 xwilliams83
Amanufacturing process is designed to produce ball bearings with a diameter of 0.620 cm. the standard deviation of all ball bearing diameters is 0.009 cm. every day a random sample of 40 ball bearings is selected and their diameters are measured. if the mean diameter from this sample falls outside of a given range, then the management will stop production to make adjustments. for the range 0.619 cm to 0.621 cm, find the probability that the management will stop production unnecessarily. (hint: find the probability that a sample’s mean will have a value inside this range when the population mean actually is 0.620 cm, and then use complements to find the probability that a sample mean’s value is outside that range.)
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Amanufacturing process is designed to produce ball bearings with a diameter of 0.620 cm. the standar...
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