Two random samples are taken, one from among UVA students and the other from among UNC 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:
UVA (Pop. 1):UNC (Pop. 2):n1=88,n2=90,p̂ 1=0.839p̂ 2=0.593UVA (Pop. 1):n1=88,p^1=0.839UNC (Pop. 2):n2=90,p^2=0.593
Find a 97.9% confidence interval for the difference p1−p2p1−p2 of the population proportions.
Confidence interval =
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