Elliott is registering for classes next semester. He uses the Quantitative Reasoning Process to decide between two teachers, Dr. Archer, and Dr. Budden . He speaks to 20 friends that previously took the course from Dr. Archer and also speaks to20 friends that took it from Dr. Budden. Eight of his friends said they highly recommend Dr. Archer. Eleven of his friends highly recommend Dr. Budden.

% (Round the final percentage to one decimal place)

To be statistically accurate in his decision, Elliott decides to a 95% confidence interval for his two percentages. What values does he find for each confidence interval?

Confidence interval for the true proportion that"highly recommend" Dr Archer:

(Enter the low value in the first blank and the high value in the second blank. Round values to one decimal place)

%,to

%

Confidence interval for the true proportion that"highly recommend" Dr. Budden:

(Enter the low value in the first blank and the high value in the second blank.Round values to one decimal place)

%,to

%