A manufacturer of college textbooks is interested in estimating the strength of the bindings produced by a particular binding machine. Strength can be measured by recording the force required to pull the pages from the binding. If this force is measured in pounds, how many books should be tested to estimate the average force required to break the binding to within .1 lb with 98 % confidence? Assume that o is known to be 5

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A manufacturer of cllege textbooks is interested in estimating the strength of the bindings
produced by a particular binding machine. Strength can be measured by recording the force
required to pull the pages from the binding. If this force is measured in pounds, how many books
should be tested to estimate the average force required to break the binding to within .1 lb with
98 % confidence? Assume that o is known to be 5
Transcribed Image Text:A manufacturer of cllege textbooks is interested in estimating the strength of the bindings produced by a particular binding machine. Strength can be measured by recording the force required to pull the pages from the binding. If this force is measured in pounds, how many books should be tested to estimate the average force required to break the binding to within .1 lb with 98 % confidence? Assume that o is known to be 5
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