A researcher wants to investigate whether Psychology majors study differently than the general college population. The general college population studies 10 hours per week on average, with a standard deviation of 1.65 hours. A sample of 112 Psychology majors reported that they studied for 12.2 hours per week. Did the Psychology majors study differently than the general population? Follow the step-by-step process for conducting a one-sample z-test. Assume alpha = .05.

Write the null and alternative hypotheses.