A country's education department reported that in 2015. 70.6 of students enrolled in college or a trade school within 12 for was selected. From this sample. 111 students were found to be enrolled in college or a trade school, Complete parts a through c. a. Construct a 99% confidence interval to estimate the actual proportion of students enrolled in college or a trade school within 12 months of graduating from high school in 2017. The confidence interval has a lower limit of Ill and an upper limit of (Round to three decimal places as needed. )