A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 734 customers in one fast-food chain's drive-through has a lower bound of 169.8 seconds and an upper bound of 173.4 seconds. What does this mean? Choose the correct answer below. O A. One can be % confident that the mean drive-through service time of this fast-food chain is between seconds and seconds. O B. There is a % probability that the mean drive-through service time of this fast-food chain is between seconds and seconds. O C. The mean drive-through service time of this fast-food chain is seconds % of the time. O D. One can be % confident that the mean drive-through service time of this fast-food chain is seconds.

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Author:Amos Gilat
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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 734 customers in
one fast-food chain's drive-through has a lower bound of 169.8 seconds and an upper bound of 173.4 seconds. What does this mean?
Choose the correct answer below.
O A. One can be
% confident that the mean drive-through service time of this fast-food chain is between
seconds and
seconds.
O B. There is a
% probability that the mean drive-through service time of this fast-food chain is between
seconds and
seconds.
O C. The mean drive-through service time of this fast-food chain is
seconds
% of the time.
O D. One can be
% confident that the mean drive-through service time of this fast-food chain is
seconds.
Transcribed Image Text:A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 734 customers in one fast-food chain's drive-through has a lower bound of 169.8 seconds and an upper bound of 173.4 seconds. What does this mean? Choose the correct answer below. O A. One can be % confident that the mean drive-through service time of this fast-food chain is between seconds and seconds. O B. There is a % probability that the mean drive-through service time of this fast-food chain is between seconds and seconds. O C. The mean drive-through service time of this fast-food chain is seconds % of the time. O D. One can be % confident that the mean drive-through service time of this fast-food chain is seconds.
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