In a random sample of 28 people, the mean commute time to work was 32.2 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean μ. What is the margin of error of μ? Interpret the results. The confidence interval for the population mean μ is (Round to one decimal place as needed.) The margin of error of μ is (Round to one decimal place as needed.) Interpret the results. O A. With 98% confidence, it can be said that the population mean commute time is between the bounds of the confidence interval. OB. It can be said that 98% of people have a commute time between the bounds of the confidence interval. OC. With 98% confidence, it can be said that the commute time is between the bounds of the confidence interval. O D. If a large sample of people are taken approximately 98% of them will have commute times between the bounds of the confidence interval.
In a random sample of 28 people, the mean commute time to work was 32.2 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean μ. What is the margin of error of μ? Interpret the results. The confidence interval for the population mean μ is (Round to one decimal place as needed.) The margin of error of μ is (Round to one decimal place as needed.) Interpret the results. O A. With 98% confidence, it can be said that the population mean commute time is between the bounds of the confidence interval. OB. It can be said that 98% of people have a commute time between the bounds of the confidence interval. OC. With 98% confidence, it can be said that the commute time is between the bounds of the confidence interval. O D. If a large sample of people are taken approximately 98% of them will have commute times between the bounds of the confidence interval.
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
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 2 images
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill