Question

In a poll to estimate a senator's support, each person in a random sample of 1,500...

In a poll to estimate a senator's support, each person in a random sample of 1,500 constituents was asked to agree with one of the following statements:
a. The senator is doing an excellent job.
b. The senator is doing a poorly.
c. No opinion.

A total of 650 respondents selected the first statement, indicating they thought the senator was doing an excellent job.
(1.)

Construct a 99% confidence interval for the proportion of respondents who feel the president is doing a job. (Round your answers to 2 decimal places.)
The confidence interval for the proportion is ______ up to __________.
Math   Statistics-And-Probability   
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Answer #1

Given :

In a poll to estimate presidential popularity, each person in a random sample of 1,500 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​​​​​​

Therefore

n = 1500

A total of 650 respondents selected the first statement, indicating they thought the president was doing a good job.

x = 650

Therefore the confidence interval for the proportion is 0.40 up to 0.47

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