A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 90% confidence...
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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 595 customers in one fast-food chain's drive-through has a lower bound of 159.3 seconds and an upper bound of 162.9 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 seconds.B. The mean drive-through service time of this fast-food chain is seconds % of the time. C. There is a 90% probability that the mean drive-through service time of this fast-food chain is between seconds and seconds.D. One can be 90% confident that the mean drive-through service time of this fast-food chain is between seconds and seconds.
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