A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 90% confidence interval that results from examining 651 customers upper bound of 162.4 seconds. What does this mean? one fast-food chain's drive-through has a lower bound of 158.8 seconds and an Choose the correct answer below. O A. There is a 90% probability that the mean drive-through service time of this fast-food chain is between 158.8 seconds and 162.4 seconds. O B. One can be 90% confident that the mean drive-through service time of this fast-food chain is 160.6 seconds. Oc. One can be 90% confident that the mean drive-through service time of this fast-food chain is between 158.8 seconds and 162.4 seconds. O D. The mean drive-through service time this fast-food chain is 160.6 seconds 90% of the time.

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ISBN:9781119256830
Author:Amos Gilat
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A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 90% confidence interval that results from examining 651 customers in one fast-food chain's drive-through has a lower bound of 158.8 seconds and an
upper bound of 162.4 seconds. What does this mean?
.....
Choose the correct answer below.
A. There is a 90% probability that the mean drive-through service time of this fast-food chain is between 158.8 seconds and 162.4 seconds.
B. One can be 90% confident that the mean drive-through service time of this fast-food chain is 160.6 seconds.
C. One can be 90% confident that the mean drive-through service time of this fast-food chain is between 158.8 seconds and 162.4 seconds.
D. The mean drive-through service time of this fast-food chain is 160.6 seconds 90% of the time.
Transcribed Image Text:A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 90% confidence interval that results from examining 651 customers in one fast-food chain's drive-through has a lower bound of 158.8 seconds and an upper bound of 162.4 seconds. What does this mean? ..... Choose the correct answer below. A. There is a 90% probability that the mean drive-through service time of this fast-food chain is between 158.8 seconds and 162.4 seconds. B. One can be 90% confident that the mean drive-through service time of this fast-food chain is 160.6 seconds. C. One can be 90% confident that the mean drive-through service time of this fast-food chain is between 158.8 seconds and 162.4 seconds. D. The mean drive-through service time of this fast-food chain is 160.6 seconds 90% of the time.
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