A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 784 customers in one fast-food chain's drive-through has a lower bound of 169.7 seconds and an upper bound of 172.7 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 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. D. One can be % confident that the mean drive-through service time of this fast-food chain is between seconds and seconds. O O
A trade magazine routinely checks the drive-through service times of fast-food restaurants. A 95% confidence interval that results from examining 784 customers in one fast-food chain's drive-through has a lower bound of 169.7 seconds and an upper bound of 172.7 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 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. D. One can be % confident that the mean drive-through service time of this fast-food chain is between seconds and seconds. O O
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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