1100on the college entrance exam Assuming that average refer

1100on 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.

Next year some of their freshman students will have a score of at least 1100 on the exam.

Last year all of their freshman students had a score of less than

1300 on the exam.

Last year at least one of their freshman students had a score of

1100 or above on the exam.

Last year fewer than half of their freshman students had a score of 1100 or below on the exam.

None of the above statements is true.

Solution

3) is true - if all had a score < 1100, the mean could not be 1100.

that is,

Last year all of their freshman students had a score of less than

1100 on the exam