City Officials Want to Estimate the Proportion of Visitors Who

City officials want to estimate the proportion of visitors who are repeat visitors to the Rideau Canal Skateway. They take a sample of 400 visitors and find that 100 are on a second visit. The 99% confidence interval is 0.1942 to 0.3058. The correct interpretation of the interval is

A) we are 99% confident that between 19.42% and 30.58% of visitors are on a second visit.
B) the proportion of repeat visitors is between 19.42% and 30.58%.
C) the probability is 5% that between 19.42% and 30.58% of visitors are on a second visit.
D) the margin of error is between 19.42% and 30.58%.
E) all samples of 400 will have between 19.42% and 30.58% of visitors on a second visit.