Question
in a sample of300students attending two-year colleges,105work at least20hours a week. In a sample of225students attending private universities,only20students work at least20hours/ week. find 95%confidence interval
in a sample of300students attending two-year colleges,105work at least20hours a week.
In a sample of225students attending private universities,only20students work at least20hours/ week. find 95%confidence interval for p1-p2, the true difference in the proportion of students
in two-year colleges and the proportion of students in private universities who work at least20hours per week.
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Probability With Applications and R
Authors: Robert P. Dobrow
1st edition
1118241257, 1118241258, 978-1118241257
