The Survey of Study Habits and Attitudes (SSHA) is a
psychological test that measures the motivation, attitudes, and
study habits of college students. Scores range from 0 to 200 and
follow, approximately, a Normal distribution, with mean 115 and
standard deviation ?=25σ=25 . You suspect that incoming freshman
have a mean ?μ that is different from 115, since they are often
excited yet anxious about entering college. To verify your
suspicion, you test the hypotheses ?0:?=115H0:μ=115 ,
??:?≠115Hα:μ≠115 . You...