Mathematics, 08.04.2020 01:28 baidentheodore9750

A trade magazine routinely checks the drive-through service times of fast-food restaurants. An 80% confidence interval that results from examining 576 customers in one fast-food chain's drive-through has a lower bound of 178.0 seconds and an upper bound of 181.0 seconds. What does this mean?

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A trade magazine routinely checks the drive-through service times of fast-food restaurants. An 80% c...