n a study of cell phone use and brain hemispheric dominance, an internet survey was e-mailed to 2458 subjects randomly selected from an online group involved with ears. 1127 surveys were returned. Construct a 90% confidence interval for the proportion of returned surveys. 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. C) construct the confidence interval.
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In a study of cell phone use and brain hemispheric dominance, an internet survey was e-mailed to 2458 subjects randomly selected from an online group involved with ears. 1127 surveys were returned. Construct a 90% confidence interval for the proportion of returned surveys. 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. C) construct the confidence interval.
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- In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2470 subjects randomly selected from an online group involved with ears. 1029 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. c)Identify the value of the margin of error E. (Round to three decimal places as needed.) Thank you so muchAmong various ethnic groups, the population standard deviation of heights is unknown. We wish to construct a 95% confidence interval for the average height of men from a certain region. Forty-eight men from this region are surveyed. The sample mean is 71 inches and the sample standard deviation is 3 inches. A.) Construct a 95% confidence interval for the population mean height of men from this region. B.) Provide an interpretation for your interval.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 2486 subjects randomly selected from an online group involved with ears. 944 surveys were returned. Construct a 90% confidence interval for the proportion of returned surveys. E 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=D (Round to three decimal places as needed.) c) Construct the confidence interval. OAn internet study was mailed to 2336 subjects randomly. 1108 surveys were returned. Construct a 95% confidence interval for the proportion of the returned surveys. identify the margin of error E.10Use 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 2460 subjects randomly selected from an online group involved with ears. 1005 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.)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 2440 subjects randomly selected from an online group involved with ears. 1077 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. (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.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 2540 subjects randomly selected from an online group involved with ears. 1141 surveys were returned. Construct a 90% 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.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 2642 subjects randomly selected from an online group involved with ears. 1128 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. (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.In a study of cell phone use and brain hemispheric dominance, an Internet survey was e-mailed to 2511 subjects randomly selected from an online group involved with ears. 1114 surveys were returned. Construct a 99% confidence interval for the proportion of returned surveys b) Identify the value of the margin of error E. c) Construct the confidence interval. d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below.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 2423 subjects randomly selected from an online group involved with ears. 923 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. (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. ]Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tellers. 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