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 thepoll, n equals 936 n=936 and x equals 597 x=597 who said"yes." Use a 95 % 95% confidence level.

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

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

E=

c) Construct the confidence interval.

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

1. 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.
2. 95% of sample proportions will fall between the lower bound and the upper bound.
3. 95% confidence that the sample proportion is equal to the population proportion.

4. 95% chance that the true value of the population proportion will fall between the lower bound and the upper bound.