A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n equals 1068n=1068 and x equals 573x=573 who said "yes." Use a 90 %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. 0.5370.537 (Round to three decimal places as needed.) Part 2 b) Identify the value of the margin of error E. Eequals=0.0250.025 (Round to three decimal places as needed.) Part 3 c) Construct the confidence interval. enter your response hereless than p less than