In a presidential election poll surveying a random sample of 1,200 voters, the margin of error is around 1.5 percent. This means that if a candidate, according to the sample of voters in the survey, will receive 51 percent of the vote on Election Day, we can confidently predict that in the real election that candidate will receive ________ percent of the vote.

Question

Quizplus · Accepted Answer

The margin of error of 1.5 percent means that the actual percentage of voters who will vote for a candidate is likely to be within 1.5 percent of the survey result. Therefore, if the survey result indicates that 51 percent of voters support a candidate, in reality, the candidate is likely to win between 49.5 percent and 52.5 percent of the vote.

In a Presidential Election Poll Surveying a Random Sample of 1,200