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In a poll to estimate presidential popularity, each person in a random sample of 1,230 voters...

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Basic Math

In a poll to estimate presidential popularity, each person in arandom sample of 1,230 voters was asked to agree with one of thefollowing statements:

  1. The president is doing a good job.

  2. The president is doing a poor job.

  3. I have no opinion.


A total of 675 respondents selected the first statement, indicatingthey thought the president was doing a good job.

  1. Construct a 99% confidence interval for the proportion ofrespondents who feel the president is doing a good job.(Round your answers to 3 decimal places.)

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