In a recent poll, 570 people were asked if they liked dogs, and 62% said they did. Find the margin of error of this poll, at the 95% confidence level.

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Q: Computing Margin of Error: Confidence Interval for a Population Proportion In a recent poll, 150…

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Q: Critical Thinking. In Exercises 17–28, use the data and confidence level to construct a confidence…

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Q: construct a 99% confidence interval.

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.