A private college advertised that last year their freshman students, on average, had a score of 1120 on the college entrance exam. Assuming that average refers to the mean, which of the following claims must be true based on this information?
a. Last year, the number of their freshman students who had a score of more than 1120 on the exam was equal to the number of their freshman students who had a score of less than 1120 on the exam.
b. Last year at least one of their freshman students had a score of less than 1240 on the exam.
c. Last year some of their freshman students had a score of exactly 1120 on the exam.
d. Last year some of their freshman students had a score of at least 1120 on the exam.
e. Next year at least one of their freshman students will have a score of at least 1120 on the exam.
f. None of the above statements is true.
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