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 identify theft. In the poll, n=914 and x=552 who said "yes." Used a 95% confidence level.

a) Find the best point estimate of the population proportion p.

b) Identify the value of the margin of error E.

c) Construct the confidence interval.

d) statement that correctly interprets the confidence interval. Choose the correct answer below.

A.One has 95% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion.

B.One has 95% confidence that the sample proportion is equal to the population proportion.

C.There is a 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound.

D.95% of sample proportions will fall between the lower bound and the upper bound.