Question: 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

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=82,

n2=92,

p1=0.772

p2=0.693

Find a 94.3% confidence interval for the difference p1p2of the population proportions.

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