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The director of research and development is testing a new drug. She wants to know if there is evidence at the0.01 level that the drug

The director of research and development is testing a new drug. She wants to know if there is evidence at the0.01 level that the drug stays in the system for more than369

369minutes. For a sample of68 patients, the mean time the drug stayed in the system was378

minutes. Assume the population variance is known to be625. Make the decision to reject or fail to reject the null hypothesis.

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