Prior to an election, various polling companies report the percentage of likely

Question

Prior to an election, various polling companies report the percentage of likely voters who support a particular candidate, often with a 5% margin of error. What does a 5% 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 actual percentage of likely voters who support the candidate is within 5% of the reported percentage.
B. Less than 5% of all likely voters were included in the sample.
C. It is definitely true that the actual percentage of likely voters who support the candidate is within 5% of the reported percentage.
D. At most 5% of those in the sample are expected to vote differently than they claim.
E. None of the above.

Explanation / Answer

Ans :

A. It is probably true that the actual percentage of likely voters who support the candidate is within 5% of the reported percentage.

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