A process manufactures ball bearings with diameters that are normally distributed with mean 25.1 millimeters and standard

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A process manufactures ball bearings with diameters that are normally distributed with mean 25.1 millimeters and standard deviation 0.08 millimeter.

a. Find the 60th percentile of the diameters.

b. Find the 32nd percentile of the diameters.

c. A hole is to be designed so that 1% of the ball bearings will fit through it. The bearings that fit through the hole will be melted down and remade. What should the diameter of the hole be?

d. Between what two values are the middle 50% of the diameters?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 06, 2024 12:01 PM

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A process manufactures ball bearings with diameters that are normally distributed with mean 25.1 millimeters and standard

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Elementary Statistics

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