Question

In a simple random sample of 90 patients who saw a certain dentist, 8 patients had their teeth whitened. What is the 95% confidence interval for the percent of all the dentist's patients who had their teeth whitened? show work
(5.9, 11.9)

(4.0, 13.8)

(3.0, 14.8)

(1.2, 16.6

Answer 1

5.9 11.9