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.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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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.
[Icon for a table of z scores is shown but not transcribed here.]
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.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ef23a54-91d9-4ec6-9eff-b14c78d582d6%2Faac946af-f17d-47c0-800e-53b185f0345d%2F9pll2v9_processed.png&w=3840&q=75)
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.
[Icon for a table of z scores is shown but not transcribed here.]
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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