OpenStax, Introductory Statistics 2e §8.3 A Population Proportion · Exercise 16 · Statistics · Confidence intervals
A Population Proportion · Exercise 16
A poll of 1,200 voters asked what the most significant issue was in the upcoming election. Sixty-five percent answered the economy. We are interested in the population proportion of voters who feel the economy is the most important.
Construct a 90% confidence interval, and state the confidence interval and the error bound.
OpenStax, Introductory Statistics 2e · §8.3 A Population Proportion · Exercise 16
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