please help

A private college advertised that last year their freshman students, on average, had a score of 1100 on the college entrance exam. Assuming that average refers to the mean, which of the following claims must be true based on this information? Note: More than one statement could be true. If none of the statements is true, mark the appropriate box. O Last year all of their freshman students had a score of at X 5 ? least 1100 on the exam. O Last year at least one of their freshman students had a score of less than 1250 on the exam. Last year at least one of their freshman students had a score of exactly 1100 on the exam. Last year, the number of their freshman students who had a score of less than 1100 on the exam was equal to the O number of their freshman students who had a score of more than 1100 on the exam. Next year some of their freshman students will have a score of at least 1100 on the exam. None of the above statements are true