No more than 5 of my students will meet today's pin up deadline

Created by Ben Doherty on 2011-05-24; known on 2011-05-24; judged right by Ben Doherty on 2011-05-24.

• Ben Doherty estimated 70% on 2011-05-24
• Ben Doherty   judged this prediction right on 2011-05-24.