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 2598 subjects...

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Use the sample data and confidence level given below to complete parts (a) through (d).<br>In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2598 subjects randomly selected from an online group involved with ears. 913 surveys were returned. Construct a<br>95% confidence interval for the proportion of returned surveys.<br>Click the icon to view a table of z scores.<br>a) Find the best point estimate of the population proportion p.<br>(Round to three decimal places as needed.)<br>b) Identify the value of the margin of error E.<br>E =<br>(Round to three decimal places as needed.)<br>c) Construct the confidence interval.<br><p<<br>(Round to three decimal places as needed.)<br>d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below.<br>A. 95% of sample proportions will fall between the lower bound and the upper bound.<br>B. One has 95% confidence that the sample proportion is equal to the population proportion.<br>C. One has 95% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion.<br>D. There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound.<br>

Extracted 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 2598 subjects randomly selected from an online group involved with ears. 913 surveys were returned. Construct a 95% 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) Identify the value of the margin of error E. E = (Round to three decimal places as needed.) c) Construct the confidence interval.

Jun 09, 2022

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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 2598 subjects...

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