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 2414 subjects randomly selected from an online group involved with ears. 963 surveys were returned. Construct a 90% 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. (Round to three decimal places as needed.) b) Identity the value of the margin of error E E-D (Round to three decimal places as needed) ) Construct the contidence interval (Round to three decimal olaces as needed) Cick to select your answer(s)

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Use the sample data and confidence level given below to complete parts (a) through (d).
y
D.
In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2414 subjects randomly selected from an online group involved with
ears. 963 surveys were returned. Construct a 90% confidence interval for the proportion of returned surveys.
Gradebook
E Click the icon to view a table of z scores.
StatCrunch
eText
a) Find the best point estimate of the population proportion p.
Chapter Contents
(Round to three decimal places as needed.)
Tools for Success
b) Identify the value of the margin of error E.
E-O
(Round to three decimal places as needed.)
Multimedia Library
c) Construct the confidence interval.
Purchase Options
Course Tools
(Round to three decimal places as needed)
Click to select your answer(s).
Discussions
Us |
DELL
23
24
&
8.
#:
Transcribed Image Text:Assignments Study Plan Use the sample data and confidence level given below to complete parts (a) through (d). y D. In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2414 subjects randomly selected from an online group involved with ears. 963 surveys were returned. Construct a 90% confidence interval for the proportion of returned surveys. Gradebook E Click the icon to view a table of z scores. StatCrunch eText a) Find the best point estimate of the population proportion p. Chapter Contents (Round to three decimal places as needed.) Tools for Success b) Identify the value of the margin of error E. E-O (Round to three decimal places as needed.) Multimedia Library c) Construct the confidence interval. Purchase Options Course Tools (Round to three decimal places as needed) Click to select your answer(s). Discussions Us | DELL 23 24 & 8. #:
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