The director of research and development is testing a new drug. She wants to know if there is evidence at the 0.0250.025 level that the drug stays in the system for more than 366366 minutes. For a sample of 1212 patients, the mean time the drug stayed in the system was 374374 minutes with a variance of 484484. Assume the population distribution is approximately normal.
Step 1 of 5: State the null and alternative hypotheses. H0: Ha: Step
2 of 5: Find the value of the test statistic. Round your answer to three decimal places.
Step 3 of 5: Specify if the test is one-tailed or two-tailed Step
4 of 5: Determine the decision rule for rejecting the null hypothesis. Round your answer to three decimal places.
Step 5 of 5: Make the decision to reject or fail to reject the null hypothesis