In: Statistics and Probability
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=584 who said yes. Use a 95% 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.
A) The best point of estimate of the population of portion p is = sample proportion
D) Interpretation : Out of 100 samples drawn, sample proportion will lie between (0.604, 0.667) for 95 samples.