##15

FORD 1% MUNIT 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. 1073 surveys were returned. Construct a 90% confidence interval for the proportion of returned surveys ourses Click the icon to view a table of z scores. se Home a) Find the best point estimate of the population proportion p. ouncemer (Round to three decimal places as needed.) gnments b) Identify the value of the margin of error E ly Plan E= (Round to three decimal places as needed.) debook c) Construct the confidence interval xt (Round to three decimal places as needed ) pter Cont d) Write a statement that correctly interprets the confidence interval, Choose the correct answer below. cessible Res O A. 90% of sample proportions will fall between the lower bound and the upper bound. ills for Succ Q B. There is a 90% chance that the true value of the population proportion will fall between the lower bound and the upper bound