The mean and the standard deviation of the sample of 100 bank customer waiting times are x = 5.09 and s= 2.062. (1) Calculate a t-based 95 percent confidence interval for u, the mean of all possible bank customer waiting times using the new system. (Choose the nearest degree of freedom for the given sample size. Round your answers to 3 decimal places.) The t-based 95 percent confidence interval is (2) Are we 95 percent confident that is less than 5 minutes?. interval is than 5. Assessment Tool iFrame
The mean and the standard deviation of the sample of 100 bank customer waiting times are x = 5.09 and s= 2.062. (1) Calculate a t-based 95 percent confidence interval for u, the mean of all possible bank customer waiting times using the new system. (Choose the nearest degree of freedom for the given sample size. Round your answers to 3 decimal places.) The t-based 95 percent confidence interval is (2) Are we 95 percent confident that is less than 5 minutes?. interval is than 5. Assessment Tool iFrame
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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![The mean and the standard deviation of the sample of 100 bank customer waiting times are x = 5.09 and s= 2.062.
(1) Calculate a t-based 95 percent confidence interval for u, the mean of all possible bank customer waiting times using the new
system. (Choose the nearest degree of freedom for the given sample size. Round your answers to 3 decimal places.)
The t-based 95 percent confidence interval is
(2) Are we 95 percent confident that is less than 5 minutes?.
interval is
than 5.
Assessment Tool iFrame](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8e0cc74a-3d41-48a3-b725-0bb8c72fee56%2Fe7c44d1c-e94a-4811-84b9-82d5913d355f%2F36eu85d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The mean and the standard deviation of the sample of 100 bank customer waiting times are x = 5.09 and s= 2.062.
(1) Calculate a t-based 95 percent confidence interval for u, the mean of all possible bank customer waiting times using the new
system. (Choose the nearest degree of freedom for the given sample size. Round your answers to 3 decimal places.)
The t-based 95 percent confidence interval is
(2) Are we 95 percent confident that is less than 5 minutes?.
interval is
than 5.
Assessment Tool iFrame
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