In a poll to estimate presidential popularity, each person in a random sample of 1,390 voters was asked to agree with one of the following statements:   The president is doing a good job. The president is doing a poor job. I have no opinion. A total of 500 respondents selected the first statement, indicating they thought the president was doing a good job.   a) Construct a 99% confidence interval for the proportion of respondents who feel the president is doing a good job. (Round your answers to 3 decimal places.) Confidence interval for the proportion is________ up to_____________

Question

In a poll to estimate presidential popularity, each person in a random sample of 1,390 voters was asked to agree with one of the following 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 500 respondents selected the first statement, indicating they thought the president was doing a good job.

 

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

Confidence interval for the proportion is________ up to_____________

 

 

 

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