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

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 8E: List the sample space of each experiment. Picking a one-digit number
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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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