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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 0.05 level that the
The director of research and development is testing a new drug. She wants to know if there is evidence at the
0.05 level that the drug stays in the system for more than
307 minutes. For a sample of
70 patients, the mean time the drug stayed in the system was
310 minutes. Assume the standard deviation is known to be
21.
Step1of5:Enter the hypotheses:
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