From an Angus Reid Public Opinion poll in which respondents
From an Angus Reid Public Opinion poll in which respondents were asked if they felt that U.S. nuclear weapons made them feel safer: n = 1005, x = 543 who said “yes.” Use a confidence level of 80%.
Use the given sample data and confidence level. In each case,
(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;
(d) Write a statement that correctly interprets the confidence interval.
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