Prior to an election, various polling companies report the percentage of likely voters who support a particular candidate, often with a 3% margin of error. What does a 3% margin of error actually mean?
There may be more than one correct answer; you must check all correct answers in order to get credit for this problem.
A. It is probably true that the reported percentage is with 3% of the actual percentage of likely voters who support the candidate.
B. It is probably true that the actual percentage of likely voters who support the candidate is within 3% of the reported percentage.
C. We are certain that that the reported percentage is with 3% of the actual percentage of likely voters who support the candidate.
D. Less than 3% of all likely voters were included in the sample.
E. We are certain that the actual percentage of likely voters who support the candidate is within 3% of the reported percentage.
F. At most 3% of those in the sample are expected to vote differently than they claim.
G. None of the above.