A researcher suspects the mean trough (the lowest dosage ofmedication required to see clinical improvement of symptoms) levelfor a medication used to treat arthritis is higher than waspreviously reported in other studies. If previous studies found themean trough level of the population to be 3.7 micrograms/mL, andthe researcher conducts a study among 93 newly diagnosed arthritispatients and finds the mean trough to be 6.1 micrograms/mL with astandard deviation of 1.2 micrograms/mL, the researcher’shypothesis, for a level of significance of 1%, should resemblewhich of the following sets of hypothesis?
