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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
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. What would happen to the confidence interval if the level of confidence were changed from 90% to 95%? The confidence interval would become narrower because it would have to account for more variation. The confidence interval would become wider because it would have to account for more variation. The confidence interval would become wider because it would have to account for less variation. The confidence interval would become narrower because it would have to account for less variation. There would be no change
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