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the sample data and confidence level given below to complete parts (a) through (d). a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2446 subjects randomly selected from an online group involved with ears. 979 surveys were returned. Construct 39% 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=0 (Round to three decimal places as needed) c) Construct the confidence interval 0

the sample data and confidence level given below to complete parts (a) through (d). a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2446 subjects randomly selected from an online group involved with ears. 979 surveys were returned. Construct 39% 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=0 (Round to three decimal places as needed) c) Construct the confidence interval 0

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 23 Table shows positive Z scores.
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 2446 subjects randomly selected from an online group involved with ears. 979 surveys were returned. Construct a 99% confidence interval for the proportion of returned surveys. F3 2 a) Find the best point estimate of the population proportion p. # Click the icon to view a table of z scores. 7 (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 0<P < 0 (Round to three decimal places as needed.). d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. OA. There is a 99% chance that the true value of the population proportion will fall between the lower bound and the upper bound. OB. One has 99% confidence that the sample proportion is equal to the population proportion. OC. 99% of sample proportions will fall between the lower bound and the upper bound. OD. One has 99% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. F4 K4 $ Yº F5 % 5 F6 € A G F7 F8 & 7 10 F9 0 * DELL O ... F10 !!! F11 ☀ ) F12 Q I PrtScr ago + Insert Delete Backspace Next PgUp PgDn Home Num Lock O 1 * End
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 2446 subjects randomly selected from an online group involved with ears. 979 surveys were returned. Construct a 99% confidence interval for the proportion of returned surveys. F3 2 a) Find the best point estimate of the population proportion p. # Click the icon to view a table of z scores. 7 (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 0<P < 0 (Round to three decimal places as needed.). d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. OA. There is a 99% chance that the true value of the population proportion will fall between the lower bound and the upper bound. OB. One has 99% confidence that the sample proportion is equal to the population proportion. OC. 99% of sample proportions will fall between the lower bound and the upper bound. OD. One has 99% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. F4 K4 $ Yº F5 % 5 F6 € A G F7 F8 & 7 10 F9 0 * DELL O ... F10 !!! F11 ☀ ) F12 Q I PrtScr ago + Insert Delete Backspace Next PgUp PgDn Home Num Lock O 1 * End
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