A country's education department reported that in 2015, 68.7% of students ented in college or a trade school within 12 months of graduating high school in 2017, a random sample of 65 individuals who graduated from high school 12 months prior was selected. From this sample, 100 students were found to be enrolled in college or a trade school a. Construct a 99% confidence interval to estimate the actual proportion of students enrolled in colege or a trade school within 12 months of graduating from high school in 2017 The confidence interval has a lower limit of (Round to three decimal places as needed) b. What is the margin of enor for this sample? The margin of error is (Round to three decimal places as needed) and an upper limit of