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The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A 99% confidence interval that results from examining 605 customers in Taco

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The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A 99% confidence interval that results from examining 605 customers in Taco Bell's drive-through has a lower bound of 160.9 seconds and an upper bound of 165.3 seconds. Complete parts (a) through (c). . . . (a) What is the mean service time from the 605 customers? The mean service time from the 605 customers is seconds (Type an integer or a decimal. Do not round.) View an example Get more help

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