Problem 1 [18 points]: At a university the historical mean of scholarship examination scores for freshman applications is 1200. A historical population standard deviation 'Sigma' = 120 is assumed known. For the upcoming next year admission cycle, a sample of 100 applications show a sample mean exam score of 1248. Is there evidence at 96% condence level that the mean examination score for freshman applications has changed from the historical mean? Incorrect Question 3 0 / 1 Pts Problem 1c) What does the parameter Mu represent in this Hypothesis Test? "Historical Population Mean Scholarship Examination Score\" for Freshman Applicants who applied to this university \"Population Mean Scholarship Examination Score" for all Freshman Applicants who are applying to this university for the upcoming next year admission cycle \"Mean Scholarship Examination Score\" for the sample of 100 Freshman Applicants who have applied to this university for the upcoming next year admission cycle