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The critical value for a one-tail hypothesis test when the population standard deviation is known, the sample size is 30 or more, and= 0.01 is
- The critical value for a one-tail hypothesis test when the population standard deviation is known, the sample size is 30 or more, and= 0.01 is ________.
A. 2.05 B. 2.33 C. 2.575 D. 2.96
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