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b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.)

b) Identify the value of the margin of error E. E= (Round to three decimal places as needed.)

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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Answer part B

Use the sample data and confidence level given below to complete parts (a) through (d). In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2671 subjects randomly selected from an online group involved with ears. 1074 surveys were returned. Construct a 99% confidence interval for the proportion of returned surveys. Click the icon to view a table of z scores. ..... a) Find the best point estimate of the population proportion p. 0.402 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E = (Round to three decimal places as needed.)
Transcribed Image Text:Use the sample data and confidence level given below to complete parts (a) through (d). In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2671 subjects randomly selected from an online group involved with ears. 1074 surveys were returned. Construct a 99% confidence interval for the proportion of returned surveys. Click the icon to view a table of z scores. ..... a) Find the best point estimate of the population proportion p. 0.402 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E = (Round to three decimal places as needed.)
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