The director of research and development is testing a newmedicine. She wants to know if there is evidence at the 0.01 levelthat the medicine relieves pain in more than 313 seconds. For asample of 34 patients, the mean time in which the medicine relievedpain was 320 seconds. Assume the standard deviation is known to be24.
Step 1 of 5: Enter the hypotheses:
Step 2 of 5: Enter the value of the z test statistic. Round youranswer to two decimal places.
Step 3 of 5: Specify if the test is one-tailed ortwo-tailed.
Step 4 of 5: Enter the decision rule.
Step 5 of 5: Enter the conclusion.
