Mathematics, 24.04.2020 01:05 10040816
The director of research and development is testing a new medicine. She wants to know if there is evidence at the 0.1 0.1 level that the medicine relieves pain in more than 398 398 seconds. For a sample of 61 61 patients, the mean time in which the medicine relieved pain was 403 403 seconds. Assume the population standard deviation is 20 20 . Find the P-value of the test statistic.
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