Mathematics, 17.04.2020 22:44 Ashu9011
In a poll to estimate presidential popularity, each person in a random sample of 1,230 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 575 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. (Use z Distribution Table.) (Round your answers to 3 decimal places.)
b. Based on your interval in part (a), is it reasonable to conclude that a majority of the population believes the president is doing a good job?
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