content area top Part 1 Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n equals 985 and x equals 535 who said "yes." Use a 90 % confidence level. LOADING... Click the icon to view a table of z scores. Question content area bottom Part 1 a) Find the best point estimate of the population proportion p. 0.543 (Round to three decimal places as needed.) Part 2 b) Identify the value of the margin of error E. Eequals 0.026 (Round to three decimal places as needed.) Part 3 c) Construct the confidence interval. 0.517less than p less than 0.569 (Round to three decimal places as needed.) Part 4 d) Write a statement that correctly interprets the confidence interval. Choose the correct answer below. A. There is a 90% chance that the true value of the population proportion will fall between the lower bound and the upper bound. B. One has 90% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. C. 90% of sample proportions will fall between the lower bound and the upper bound. D. One has 90% confidence that the sample proportion is equal to the population proportion