8-94. Consider the bottle-wall thickness measurements described in Exercise 8-42. (a) Compute a 90% tolerance interval on bottle-wall thickness that has confidence level 90%. (b) Compute a 90% lower tolerance bound on bottle-wall thickness that has confidence level 90%. Why would a lower tolerance bound likely be of interest here?
8-94. Consider the bottle-wall thickness measurements described in Exercise 8-42. (a) Compute a 90% tolerance interval on bottle-wall thickness that has confidence level 90%. (b) Compute a 90% lower tolerance bound on bottle-wall thickness that has confidence level 90%. Why would a lower tolerance bound likely be of interest here?
A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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answer only 8-94
Transcribed Image Text:8-42. O The wall thickness of 25 glass 2-liter bottles was
measured by a quality-control engineer. The sample mean was
x = 4.05 millimeters, and the sample standard deviation was
s = 0.08 millimeter.
%3D
Transcribed Image Text:8-94. + Consider the bottle-wall thickness measurements
described in Exercise 8-42.
(a) Compute a 90% tolerance interval on bottle-wall thickness
that has confidence level 90%.
(b) Compute a 90% lower tolerance bound on bottle-wall
thickness that has confidence level 90%. Why would a
lower tolerance bound likely be of interest here?
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