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Mathematics, 27.10.2021 14:00 thefandomarmy24

The director of research and development is testing a new medicine. She wants to know if there is evidence at the 0.1 level that the medicine relieves pain in more than 366 seconds. For a sample of 69 patients, the mean time in which the medicine relieved pain was 372 seconds. Assume the population variance is known to be 324. Is there sufficient evidence to support the director's claim?

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