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For Problems 6-10, a national survey shows that 48.3% of Americans support impeaching the President of...

For Problems 6-10, a national survey shows that 48.3% of Americans support impeaching the President of the United States while the rest either do not support impeachment or are indifferent to the impeachment process. [Source: https://projects.fivethirtyeight.com/impeachment-polls/; as of November 3, 2019]

8. How large would the sample have to be for the actual percentage of those in favor of impeachment to be within 0.2% of the sample mean (with 99% confidence)

9. Use the sample size in Problem 8 to find the 90% confidence interval.

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