A recent study claimed that 66% of the population of all college students prefer printed textbooks to electronic textbooks. You want to test this daim by surveying a random sample of 68 college students. Follow the steps below to construct a 95% confidence interval for the population proportion of all college students who prefer printed textbooks to electron textbooks. Then state whether the confidence interval you construct contradicts the study's claim. (If necessary, consult a list of formulas.) (a) Click on "Take Sample" to see the results from the random sample. Number Proportion Prefers printed textbooks to electronic Take Sample 51 0.75 textbooks Does not prefer printed textbooks to electronic textbooks 17 0.25 Enter the values of the sample size, the point estimate of the population proportion, and the critical value you need for your 95% confidence interval. (Choose the correct critical value from the table of critical values provided.) When you are done, select "Compute". Sample size: Standard error: Critical values Point estimate: F0.00s 2.576 Margin of error: F0.010 -2.326 Critical value: F0.025-1.960 95% confidence interval: -1.645
A recent study claimed that 66% of the population of all college students prefer printed textbooks to electronic textbooks. You want to test this daim by surveying a random sample of 68 college students. Follow the steps below to construct a 95% confidence interval for the population proportion of all college students who prefer printed textbooks to electron textbooks. Then state whether the confidence interval you construct contradicts the study's claim. (If necessary, consult a list of formulas.) (a) Click on "Take Sample" to see the results from the random sample. Number Proportion Prefers printed textbooks to electronic Take Sample 51 0.75 textbooks Does not prefer printed textbooks to electronic textbooks 17 0.25 Enter the values of the sample size, the point estimate of the population proportion, and the critical value you need for your 95% confidence interval. (Choose the correct critical value from the table of critical values provided.) When you are done, select "Compute". Sample size: Standard error: Critical values Point estimate: F0.00s 2.576 Margin of error: F0.010 -2.326 Critical value: F0.025-1.960 95% confidence interval: -1.645
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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