Rather than use the proportion of packages that contain defective floss, another quality control inspector simply counts

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Rather than use the proportion of packages that contain defective floss, another quality control inspector simply counts the number of packages. If historically, only 1 pack-age out of 50 is defective,

a) What is the standard deviation of the number of defective packages?

b) What are the upper and lower 3σ control limits on the number of defectives?

c) How does the upper limit compare to the upper limit in Exercise 7, part c?

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Business Statistics

ISBN: 9780321925831

3rd Edition

Authors: Norean Sharpe, Richard Veaux, Paul Velleman

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Question Posted: May 15, 2015 07:07 AM

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Rather than use the proportion of packages that contain defective floss, another quality control inspector simply counts

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a The standard deviation of the numbe...View the full answer

Business Statistics

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