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 2325 subjects randomly selected from an online group involved with ears. 1128 surveys were returned. Construct a 95​% confidence interval for the proportion of returned surveys.   a) Find the best point estimate of the population proportion p.   ​b) Identify the value of the margin of err

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 58E: What is meant by the sample space of an experiment?
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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 2325 subjects randomly selected from an online group involved with ears. 1128 surveys were returned. Construct a 95​%
confidence interval for the proportion of returned surveys.
 
a) Find the best point estimate of the population proportion p.
 
​b) Identify the value of the margin of error E.
 
d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below.
 
 
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