A light bulb has a normally distributed light output with mean 5,000 end foot-candles and standard deviation

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A light bulb has a normally distributed light output with mean 5,000 end foot-candles and standard deviation of 50 end foot-candles. Find a lower specification limit such that only 0.5% of the bulbs will not exceed this limit.

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Managing Controlling and Improving Quality

ISBN: 978-0471697916

1st edition

Authors: Douglas C. Montgomery, Cheryl L. Jennings, Michele E. Pfund

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Question Posted: Sep 19, 2015 04:38 AM

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A light bulb has a normally distributed light output with mean 5,000 end foot-candles and standard deviation

Question:

X~N (μ 5000, σ 50) %3D

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Lower specification limit ...View the full answer

Managing Controlling and Improving Quality

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