A survey was conducted to determine the percentage of parents who would support raising the legal driving age to 18. The results were stated as 67% with a margin of error of ±3%. What is meant by ±3%?
(A)Three percent of the population were not surveyed. (B)In the sample, the percentage of parents who would support raising the driving age is between 64% and 70%. (C)The percentage of the entire population of parents who would support raising the driving age is between 64% and 70%. (D)It is unlikely that the given sample proportion result could be obtained unless the true percentage was between 64% and 70%.
D