QUESTION 22 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, μ, 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 22 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, μ, 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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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![QUESTION 22
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, µ, 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%2F785eec2e-d0be-4a2e-9714-b2a22d3b14d3%2F3ae84faa-1102-4589-8602-37cef4e9158c%2Fjpweop_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 22
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, µ, 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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