According to the American Academy of Orthopedic Surgeons, 26.6% of all orthopedic treatments are to the knee. Let’s assume that this report is based on sample data.
a. Compute a 99.5% confidence interval for the actual proportion of orthopedic treatments to the knee under the assumption that the sample estimate is based on a random sample of 1000 general orthopedic case treatments. Assume all assumptions are met.