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=963 and x=573 who said "yes." Use a 95% confidence level.
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 =
(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.