22.34 Surveying students. You are planning a survey of stu- dents at a large university to determine what propor- tion favor an increase in student fees to support an expansion of the student newspaper. Using records pro- vided by the registrar, you can select a random sample of students. You will ask each student in the sample whether he or she is in favor of the proposed increase. Your budget will allow a sample of 100 students. (a) For a sample of size 100, construct a table of the margins of error for 95% confidence intervals when p takes the values 0.1, 0.3, 0.5, 0.7, and 0.9. (b) A former editor of the student newspaper offers to provide funds for a sample of size 500. Repeat the margin of error calculations in part (a) for the larger sample size. Then write a short thank-you note to the former editor describing how the larger sample size will impro
22.34 Surveying students. You are planning a survey of stu- dents at a large university to determine what propor- tion favor an increase in student fees to support an expansion of the student newspaper. Using records pro- vided by the registrar, you can select a random sample of students. You will ask each student in the sample whether he or she is in favor of the proposed increase. Your budget will allow a sample of 100 students. (a) For a sample of size 100, construct a table of the margins of error for 95% confidence intervals when p takes the values 0.1, 0.3, 0.5, 0.7, and 0.9. (b) A former editor of the student newspaper offers to provide funds for a sample of size 500. Repeat the margin of error calculations in part (a) for the larger sample size. Then write a short thank-you note to the former editor describing how the larger sample size will impro
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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
Transcribed Image Text:22.34 Surveying students. You are planning a survey of stu-
dents at a large university to determine what propor-
tion favor an increase in student fees to support an
expansion of the student newspaper. Using records pro-
vided by the registrar, you can select a random sample
of students. You will ask each student in the sample
whether he or she is in favor of the proposed increase.
Your budget will allow a sample of 100 students.
(a) For a sample of size 100, construct a table of the
margins of error for 95% confidence intervals when
p takes the values 0.1, 0.3, 0.5, 0.7, and 0.9.
(b) A former editor of the student newspaper offers to
provide funds for a sample of size 500. Repeat the
margin of error calculations in part (a) for the larger
sample size. Then write a short thank-you note to
the former editor describing how the larger sample
size will impro
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