The director of research and development is testing a new medicine. She wants to know if there is evidence at the0.05level that the medicine relieves pain in more than325seconds. For a sample of54patients, the mean time in which the medicine relieved pain was333seconds. Assume the variance is known to be441.

Step 1 of 5:Enter the hypotheses:

Step 2 of 5:Enter the value of theztest statistic. Round your answer to two decimal places.

Step 3 of 5:Specify if the test is one-tailed or two-tailed.

Step 4 of 5:Enter the decision rule.

Step 5 of 5:Enter the conclusion.