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Every semester, students are given a questionnaire to evaluate their instructor's teaching. The question that is of greatest interest to administrators is, "Do you agree with the following statement: ‘overall the instructor was a good teacher.'" The possible responses are Strongly agree, Agree, No opinion, Disagree, and Strongly disagree.

a. Are the number of students in class responding Strongly agree a continuous or discrete random variable?

b. Are the percent of students in class responding Strongly agree a continuous or discrete random variable?

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