The director of research and development is testing a new medicine. She wants to know if there is evidence at the 0.02 level that the medicine relieves pain in more than 323 seconds. For a sample of 33 patients, the mean time in which the medicine relieved pain was 331 seconds. Assume the population standard deviation is 20. Make the decision to reject or fail to reject the null hypothesis.

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06-11-2022
Mathematics

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The director of research and development is testing a new medicine. She wants to know if there is evidence at the 0.02 level that the medicine relieves pain in more than 323 seconds. For a sample of 33 patients, the mean time in which the medicine relieved pain was 331 seconds. Assume the population standard deviation is 20. Make the decision to reject or fail to reject the null hypothesis.

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