QUESTION 1 A group of 64 randomly selected students, from all MTH213 sections at Zayed University, has a sample mean score of 74 with a sample standard deviation of 4 on a Midterm Exam. (a) Construct a 99% confidence interval for the mean score, u, of all students taking the test? Round your answer to three decimal places. (b) Based on the 99% confidence interval in (a) is it reasonable that the population mean score is 77? Justify your answer.
QUESTION 1 A group of 64 randomly selected students, from all MTH213 sections at Zayed University, has a sample mean score of 74 with a sample standard deviation of 4 on a Midterm Exam. (a) Construct a 99% confidence interval for the mean score, u, of all students taking the test? Round your answer to three decimal places. (b) Based on the 99% confidence interval in (a) is it reasonable that the population mean score is 77? Justify your answer.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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![QUESTION 1
A group of 64 randomly selected students, from all MTH213 sections at Zayed University, has a sample mean score of 74 with a sample standard deviation of
4 on a Midterm Exam.
(a) Construct a 99% confidence interval for the mean score, u, of all students taking the test? Round your answer to three decimal places.
(b) Based on the 99% confidence interval in (a) is it reasonable that the population mean score is 77? Justify your answer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff8b50449-c1da-4d89-9124-fc8b332f4c60%2F30477d5d-6f57-4da3-91bb-b648a53fb208%2Fba84eie_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 1
A group of 64 randomly selected students, from all MTH213 sections at Zayed University, has a sample mean score of 74 with a sample standard deviation of
4 on a Midterm Exam.
(a) Construct a 99% confidence interval for the mean score, u, of all students taking the test? Round your answer to three decimal places.
(b) Based on the 99% confidence interval in (a) is it reasonable that the population mean score is 77? Justify your answer.
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