7.1.13 Question Help V 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 = 1011 and x =568 who said "yes." Use a 90% confidence level. Click the icon to view a table of z scores. 562 (Round to three decimal places as needed.) b) Identify the value of the margin of error E. E = .026 (Round to three decimal places as needed.) c) Construct the confidence interval.