A weight-loss clinic advertised that last month its patients, on average, lost6lbs. Assuming thataveragerefers to themean, 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.

1. Last month at least one of their patients lost more than4lbs.
2. This month at least one of their patients will lose at least6lbs.
3. Last month more than half of their patients lost at least6lbs.
4. Last month some of their patients lost exactly6lbs.
5. Last month all of their patients lost at least6lbs.
6. None of the above statements is true.