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ion: 10 point(s) possible The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A 99% confidence interval that results from examining

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ion: 10 point(s) possible The trade magazine QSR routinely checks the drive-through service times of fast-food restaurants. A 99% confidence interval that results from examining 576 customers in Taco Bell's drive-through has a lower bound of 154.7 seconds and an upper bound of 159.1 seconds. Complete parts (a) through (c). (a) What is the mean service time from the 576 customers? The mean service time from the 576 customers is seconds (Type an integer or a decimal. Do not round.) (b) What is the margin of error for the confidence interval? The margin of error is seconds. (Type an integer or a decimal. Do not round.) (c) Interpret the confidence interval. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals Do not round.) O A. There is a % probability that the mean drive-through service time of Taco Bell is between seconds and seconds. O B. One can be % confident that the mean drive-through service time of Taco Bell is seconds O C. One can be % confident that the mean drive-through service time of Taco Bell is between seconds and seconds O D. The mean drive-through service time of Taco Bell is seconds % of the time

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