In: Statistics and Probability
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 394 seconds. For a sample of 68 patients, the mean time in which the medicine relieved pain was 398 seconds. Assume a population standard deviation of 21. Determine the P -value of the test statistic. Round your answer to 4 decimal places.