Question
Construct a confidence interval for p 1 minus p 2 at the given level of confidence....
Construct a confidence interval for p 1 minus p 2 at the given level of confidence. x 1 equals366, n 1 equals509, x 2 equals404, n 2 equals554, 90% confidence The researchers are nothing% confident the difference between the two population proportions, p 1 minus p 2, is between nothing and nothing.
Homework Answers
Answer #1
Given that, x1 = 366, n1 = 509 and x2 = 404, n2 = 554
Using TI-84 calculator get, the 90% confidence interval for (p1 - p2) is, (-0.0553, 0.0350).
The researchers are 90% confident the difference between the two population proportions, (p1- p2) , is between -0.0553 and 0.0350
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