A hospital was concerned about reducing its wait time. A targeted wait time goal of 25 minutes was set. After implementing an improvement framework and process, a sample of 329 patients showed the mean wait time was 23.15 minutes, with a standard deviation of 16.98 minutes.. a. If you test the null hypothesis at the 0.05 level of significance, is there evidence that the population mean wait time is less than 25 minutes? State the null and alternative hypotheses. O A. Ho: > 25 H: