A quality control inspector will measure the salt content (in milligrams) in a random sample of bags

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A quality control inspector will measure the salt content (in milligrams) in a random sample of bags of potato chips from an hour of production. Which of the following would result in the smallest margin of error in estimating the mean salt content m?

(a) 90% confidence; n = 25

(b) 90% confidence; n = 50

(c) 95% confidence; n = 25

(d) 95% confidence; n = 50

(e) n = 100 at any confidence level

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Related Book For  book-img-for-question

The Practice Of Statistics

ISBN: 9781464108730

5th Edition

Authors: Daren S. Starnes, Josh Tabor

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