a statistician wishing to test a hypothesis that students score at least 75% on the final exam in an introductory statistics course decides to randomly select 25 students in the class and have them take the exam early. the average score of the students on the exam is 79%. the hypothesis the statistician wants to test is: a statistician wishing to test a hypothesis that students score at least 75% on the final exam in an introductory statistics course decides to randomly select 25 students in the class and have them take the exam early. the average score of the students on the exam is 79%. the hypothesis the statistician wants to test is: h 0:\mu