(1 point) Two random samples are taken, one from among U of R students and the other from among U of S students. Both groups are asked if academics are their top priority. A summary of the sample sizes and proportions of each group answering yes" are given below. U of R (Pop. 1): m = 85, p1 = 0.848 U of S (Pop. 2): n2 = 87, P2 = 0.564 Find a 97.9% confidence interval for the difference p1 - P2 of the population proportions. Confidence interval =