None of the students with extra time will use all their extra time.

Created by JoshuaZ on 2011-12-02; known on 2011-12-02; judged wrong by JoshuaZ on 2011-12-02.

• JoshuaZ estimated 75% on 2011-12-02
• JoshuaZ   judged this prediction wrong on 2011-12-02.