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 = 919 and x = 536 who said "yes." use a 90 % confidence level.
(a) find the best point of estimate of the population of portion p.
(b) identify the value of the margin of error e. e= round to four decimal places as needed.
(c) construct the confidence interval.
_ < p < _ round to three decimal places.
(d) write a statement that correctly interprets the confidence interval.