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4) For each of the following confidence levels, look up the critical z values for a two-tailed test. 4a) 80% (Hint: 10% in each tail):
| 4) | For each of the following confidence levels, look up the critical z values for a two-tailed test. |
| 4a) 80% (Hint: 10% in each tail): Answer | Work: |
| 4b) 88% Answer | Work: |
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An Introduction to Analysis
Authors: William R. Wade
4th edition
132296381, 978-0132296380
