According to a survey, 57 percent of the citizens of the United States prefer a Democratic candidate, while 43 percent of the citizens prefer a Republican candidate in an election. The survey reports a confidence interval (CFI) of 95 percent + or -3. What can be concluded from these results?
A)The Republican candidate will win the election.
B)There is a 95 percent chance of making a correct prediction about the election.
C)There is a 5 percent chance of making a correct prediction about the election.
D)There is no way of knowing which candidate has a higher likelihood of being elected.

Question

Quizplus · Accepted Answer

The confidence interval (CI) of 95% ±3% means that we can be 95% confident that the true preference in the population falls within the given range around the survey percentages. This does not predict the election outcome but indicates the reliability of the survey results.

According to a Survey, 57 Percent of the Citizens of the United