Question
In a recent survey, a random sample of 199 office managers were asked about overtime, and 76 reported that they regularly work overtime each week.
In a recent survey, a random sample of 199 office managers were asked about overtime, and 76 reported that they regularly work overtime each week.
What value of z should be used to calculate a confidence interval with a 98% confidence level?
z0.10 | z0.05 | z0.025 | z0.01 | z0.005 |
|---|---|---|---|---|
1.282 | 1.645 | 1.960 | 2.326 | 2.576 |
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
