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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 equals 929 and x equals 570 who said​ "yes." Use a 90 % 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.

Math   Statistics-And-Probability   
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