help please 6

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-malled to 2521 subjects randomly selected from an online group involved with ears. 1075 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. (Round to three decimal places as needed ) d) Write a statement that correctly interprets the confidence Interval Choose the correct answer below O A. 90% of sample proportions will fall between the lower bound and the upper bound