As reported on CNN, in a May 1999 national poll 43% of high school students expressed fear about going to school. Which of the following best describes what is meant by the poll having a margin of error of 5%?
(A)It is likely that the true proportion of high school students afraid to go to school is between 38% and 48%. (B)Five percent of the students refused to participate in the poll. (C)Between 38% and 48% of those surveyed expressed fear about going to school. (D)There is a 0.05 probability that the 43% result is in error.
A