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(a) Out of a random sample of 540 New Brunswick residents, 162 said they are in favor of improving the train station. Please find a 95% confidence interval for the proportion of New Brunswick 3 POO residents that support train station improvements. (b) Suppose that prior to any sampling, you were asked to find a 95% confidence interval for p which Is +/-.035. How large a sample would be required? (make no assumptions about p) Confidant between a5b cintidant १ १९% e 26l0

(a) Out of a random sample of 540 New Brunswick residents, 162 said they are in favor of improving the train station. Please find a 95% confidence interval for the proportion of New Brunswick 3 POO residents that support train station improvements. (b) Suppose that prior to any sampling, you were asked to find a 95% confidence interval for p which Is +/-.035. How large a sample would be required? (make no assumptions about p) Confidant between a5b cintidant १ १९% e 26l0

MATLAB: An Introduction with Applications
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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(a) Out of a random sample of 540 New Brunswick residents, 162 said they are in favor of improving the train station. Please find a 95% confidence interval for the proportion of New Brunswick 3 POO residents that support train station improvements. (b) Suppose that prior to any sampling, you were asked to find a 95% confidence interval for p which Is +/-.035. How large a sample would be required? (make no assumptions about p) Confidant between a5b cintidant १ १९% e 26l0
Transcribed Image Text:(a) Out of a random sample of 540 New Brunswick residents, 162 said they are in favor of improving the train station. Please find a 95% confidence interval for the proportion of New Brunswick 3 POO residents that support train station improvements. (b) Suppose that prior to any sampling, you were asked to find a 95% confidence interval for p which Is +/-.035. How large a sample would be required? (make no assumptions about p) Confidant between a5b cintidant १ १९% e 26l0
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