Construct a 90 % confidence interval to estimate the average late time. In an airline company, a
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Construct a 90 % confidence interval to estimate the average late time.
In an airline company, a committee was formed to study the seriousness of late arrivals of freight. The following report was compiled about the arrival record:
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Total number of freight shipments Total number of late arrivals Average late time Standard deviation of late time 625 159 34 min 25 min
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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