A physician with a practice is currently serving 290

patients. The physician would like to administer a survey to his patients to measure their satisfaction level with his practice. A random sample of 25patients had an average satisfaction score of 8.1on a scale of1-10. The sample standard deviation was 1.9.

a.) The 99% confidence interval to estimate the average satisfaction score is (___,___)

(Round to two decimal place as needed.)