A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that
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A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 602 customers in one fast-food chain's drivethrough has a lower bound of 175.1 seconds and an upper bound of 178.1 seconds. What does this mean?
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Statistics Informed Decisions Using Data
ISBN: 9781292157115
5th Global Edition
Authors: Michael Sullivan
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