A manufacturer produces piston rings for automobile engines. It is known that the ring diameter is normally distributed with a population standard deviation equal to 0.01 millimeters (mm). If we wish to use a random sample of rings from this manufacturer to estimate the population mean diameter to within 0.001 (mm) with 99% confidence, how many rings should we collect in the random sample? Please provide an answer as an integer.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A manufacturer produces piston rings for automobile engines. It is known that the ring diameter is normally
distributed with a population standard deviation equal to 0.01 millimeters (mm). If we wish to use a random
sample of rings from this manufacturer to estimate the population mean diameter to within 0.001 (mm) with 99%
confidence, how many rings should we collect in the random sample? Please provide an answer as an integer.
Transcribed Image Text:A manufacturer produces piston rings for automobile engines. It is known that the ring diameter is normally distributed with a population standard deviation equal to 0.01 millimeters (mm). If we wish to use a random sample of rings from this manufacturer to estimate the population mean diameter to within 0.001 (mm) with 99% confidence, how many rings should we collect in the random sample? Please provide an answer as an integer.
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