A trade magazine routinely checks the drive-through service times of fast-food restaurants. An 80% confidence interval that results from examining 768 customers in one fast-food chain's drive-through has a lower bound of 165.2 seconds and an upper bound of 168.2 seconds. What does this mean? Choose the correct answer below OA. One can be % confident that the mean drive-through service time of this fast-food chain is seconds. OB. There is a % probability that the mean drive-through service time of this fast-food chain is between OC. One can be confident that the mean drive-through service time of this fast-food chain is between OD. The mean drive-through service time of this fast-food chain is seconds % of the time. seconds and seconds and seconds. seconds.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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A trade magazine routinely checks the drive-through service times of fast-food restaurants. An 80% confidence interval that results from examining 768 customers in one fast-food chain's drive-through has a lower bound of 165.2 seconds and an upper bound of 168.2 seconds.
What does this mean?
Choose the correct answer below.
A. One can be % confident that the mean drive-through service time of this fast-food chain is
% probability that the mean drive-through service time of this fast-food chain is between
B. There is a
C. One can be
O D. The mean drive-through service time of this fast-food chain is
% confident that the mean drive-through service time of this fast-food chain is between
% of the time.
seconds
seconds.
seconds and
seconds and
seconds.
seconds.
Transcribed Image Text:A trade magazine routinely checks the drive-through service times of fast-food restaurants. An 80% confidence interval that results from examining 768 customers in one fast-food chain's drive-through has a lower bound of 165.2 seconds and an upper bound of 168.2 seconds. What does this mean? Choose the correct answer below. A. One can be % confident that the mean drive-through service time of this fast-food chain is % probability that the mean drive-through service time of this fast-food chain is between B. There is a C. One can be O D. The mean drive-through service time of this fast-food chain is % confident that the mean drive-through service time of this fast-food chain is between % of the time. seconds seconds. seconds and seconds and seconds. seconds.
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