A group of 25 randomly selected students, from all MTH213 sections at Zayed University, has a sample mean score of 79 with a sample standard deviation of 5 on a Midterm Assume that the scores are normally distributed. (a) Construct a 90% confidence interval for the mean score, u, of all students taking the test? Round your answer to three decimal places. (b) Based on the 90% confidence interval in (a), is it reasonable that the population mean score is 75? Justify your answer.
A group of 25 randomly selected students, from all MTH213 sections at Zayed University, has a sample mean score of 79 with a sample standard deviation of 5 on a Midterm Assume that the scores are normally distributed. (a) Construct a 90% confidence interval for the mean score, u, of all students taking the test? Round your answer to three decimal places. (b) Based on the 90% confidence interval in (a), is it reasonable that the population mean score is 75? Justify your answer.
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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