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A fast-food chain has set a goal to have the shortest average wait times in their drive-thru line. The fast-food chain selects 20 drive-thru orders at random and measures the time it takes for the customer to receive their order in minutes, The average time to receive the order for the 20 customers was 3.5 minutes with a standard deviation of 0.75 minutes, The 95% confidence interval was found to be: (3.14, 3.85) Which statement is the correct interpretation of the 95% confidence interval? O a, If we sampled repeatedly, 95% of all of the confidence intervals would capture the sample mean wait time for the drive-thru orders. O b. There is a 95% confident that the confidence interval of 3,14 to 3.85 minutes captures the population mean wait time for the drive-thru orders O c. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the sample mean wait time for the drive-thru orders. O d. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the population mean wait time for the drive-thru orders.

A fast-food chain has set a goal to have the shortest average wait times in their drive-thru line. The fast-food chain selects 20 drive-thru orders at random and measures the time it takes for the customer to receive their order in minutes, The average time to receive the order for the 20 customers was 3.5 minutes with a standard deviation of 0.75 minutes, The 95% confidence interval was found to be: (3.14, 3.85) Which statement is the correct interpretation of the 95% confidence interval? O a, If we sampled repeatedly, 95% of all of the confidence intervals would capture the sample mean wait time for the drive-thru orders. O b. There is a 95% confident that the confidence interval of 3,14 to 3.85 minutes captures the population mean wait time for the drive-thru orders O c. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the sample mean wait time for the drive-thru orders. O d. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the population mean wait time for the drive-thru orders.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A fast-food chain has set a goal to have the shortest average wait times in their drive-thru line. The fast-food chain selects 20 drive-thru orders at random and measures the time it takes for the customer to receive their order in minutes. The average time to receive the order for the 20 customers was 3.5 minutes with a standard deviation of 0.75 minutes. The 95% confidence interval was found to be: (3.14, 3.85). Which statement is the correct interpretation of the 95% confidence interval? O a, If we sampled repeatedly, 95% of all of the confidence intervals would capture the sample mean wait time for the drive-thru orders. O b. There is a 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the population mean wait time for the drive-thru orders. O c. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the sample mean wait time for the drive-thru orders. O d. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the population mean wait time for the drive-thru orders.
Transcribed Image Text:A fast-food chain has set a goal to have the shortest average wait times in their drive-thru line. The fast-food chain selects 20 drive-thru orders at random and measures the time it takes for the customer to receive their order in minutes. The average time to receive the order for the 20 customers was 3.5 minutes with a standard deviation of 0.75 minutes. The 95% confidence interval was found to be: (3.14, 3.85). Which statement is the correct interpretation of the 95% confidence interval? O a, If we sampled repeatedly, 95% of all of the confidence intervals would capture the sample mean wait time for the drive-thru orders. O b. There is a 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the population mean wait time for the drive-thru orders. O c. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the sample mean wait time for the drive-thru orders. O d. We are 95% confident that the confidence interval of 3.14 to 3.85 minutes captures the population mean wait time for the drive-thru orders.
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