City Officials Want to Estimate the Proportion of Visitors Who

Multiple Choice

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 95% 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.