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The director of research and development is testing a new drug. She wants to know if there is evidence at the 0 . 0 5
The director of research and development is testing a new drug. She wants to know if there is evidence at the level that the drug stays in the system for more than minutes. For a sample of patients, the average time the drug stayed in the system was minutes with a standard deviation of Assume the population distribution is approximately normal. Step of : State the null and alternative hypotheses.
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