Drivers under the age of 21 are more likely to be involved in car crashes.

Below are four statements.

1. A recent study has concluded that drivers under the age of 21 are more likely to exceed the speed limit.
2. Drivers under the age of 21 are able to obtain a licence without sufficient experience.
3. Drivers under the age of 21 are restricted to a zero-alcohol level.
4. It is known that exceeding the speed limit is a major cause of car crashes.