Question

In: Statistics and Probability

Use the sample data and confidence level given below to complete parts a through d. A...

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.

Solutions

Expert Solution

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.

orchestra answered 2 years ago
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