"Ivy League Lightbulb Joke" joke

How many Princeton students does it take to change a lightbulb?
Two - one to mix the martinis and one to call the electrician.
How many Brown students does it take to change a lightbulb?
Eleven - one to change the lightbulb and ten to share the experience.
How many Dartmouth students does it take to change a lightbulb?
None - Hanover doesn't have electricity.
How many Cornell students does it take to change a lightbulb?
Two - One to change the lightbulb and one to crack under the pressure.
How many Penn students does it take to change a lightbulb?
Only one, but he gets six credits for it.
How many Columbia students does it take to change a lightbulb?
Seventy-six - one to change the lightbulb, fifty to protest the lightbulb's right to not change, and twenty-five to hold a counter-protest.
How many Yale students does it take to change a lightbulb?
None - New Haven looks better in the dark.
How many Harvard students does it take to change a lightbulb?
One - he holds the bulb and the world revolves around him.