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

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Statistics

Use the sample data and confidence level given below to completeparts​ (a) through​ (d).

A research institute poll asked respondents if they feltvulnerable to identity theft. In the​ poll, n equals 930 and xequals 574 who said​ \"yes.\" Use a 99 % confidence level.

​a) Find the best point estimate of the population proportion p.minus ​(Round to three decimal places as​ needed.) ​

b) Identify the value of the margin of error E. Eequals minus​(Round to three decimal places as​ needed.) ​

c) Construct the confidence interval. minusless than p less thanminus ​(Round to three decimal places as​ needed.) ​

d) Write a statement that correctly interprets the confidenceinterval.

Choose the correct answer below.

A. There is a 99​% chance that the true value of thepopulation proportion will fall between the lower bound and theupper bound.

B. One has 99​% confidence that the sample proportion isequal to the population proportion.

C. 99​% of sample proportions will fall between the lowerbound and the upper bound.

D. One has 99​% confidence that the interval from the lowerbound to the upper bound actually does contain the true value ofthe population proportion.

Answer & Explanation Solved by verified expert
3.6 Ratings (390 Votes)
Solution Given thatn 930x 574a Point estimate sample proportion x n 574 930 06171 1 0617    See Answer
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