Which is an inaccurate description of the current undergraduate population?

1) Almost half of the current undergraduate population is over 24 years old

2) A large majority of current undergraduates are positively affected by affirmative action plans

3) Over half of the current undergraduate population is the first member of their immediate family to attend college

4) Undergraduates with learning disabilities are currently the fastest growing group of classifiable undergraduates

Note: Justifiy your answer.