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Two random samples are taken, with each group asked if they support a particular candidate. A summary of the sample sizes and proportions of each
Two random samples are taken, with each group asked if they support a particular candidate. A summary of the sample sizes and proportions of each group answeringyes'' are given below:
Pop. 1:Pop. 2:n1=85,n2=81,p^1=0.753p^2=0.621
Suppose that the data yields (-0.0091, 0.2731) for a confidence interval for the differencep1p2of the population proportions. What is the confidence level? (Give your answer in terms of percentages.)
Confidence Level =%
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