Q: How many hicks from Manassas, VA does it take to change a lightbulb?
A: Four. One to do it and the other three to sit around and talk about how good the old one was.

Q: How many Austrailian Royalists does it take to screw in a lightbulb?
A: Only one, but there is only one and she is old and not feeling that well these days so … hurry!

Q: How many Apple and IBM nuts does it take to change a lightbulb?
A: An infinite number: nothing useful gets done while theyre arguing. Finally a disgusted generic computer user (who will use any type that is in front of him) gets up and changes the bulb, elbowing the participants aside. The size of the crowd arguing seems to be a function of time, although whether or not the function is exponential is not known.

Q: How many A & R men does it take to change a lightbulb ?
A: None. Well, Im going to go out on a beam on this one, but I liked it better without the lightbulb.

Q: How many Capricorns does it take to change a lightbulb ?
A: None: Why should I bother? Its probably just going to burn out again tomorrow anyway.

Q: How many Bell Labs Vice Presidents does it take to change a light bulb?
A: Thats proprietary information. Answer available from AT&T on payment of license fee (binary only).

None, Californians dont screw in a light bulb, they screw in hot tubs.

Joke found on http://www.randomjoke.com

Q: How many statisticians does it take to change a lightbulb ?
A: Walt Pirie to hold the bulb and one psychologist, one economist, one sociologist and one anthroplogist to pull away the ladder.

Q: How many rec.humour posters does it take to change a lightbulb?
A: 31. One to change the lightbulb and thirty to flame them for picking the wrong wattage. No, better make that 32 … Captain Nitpick will want to point out that the newsgroup is rec.humor (US spelling) *not* rec.humour.

Q: How many sci.math readers does it take to change a lightbulb ?
A: Pi. Two hold the ladder, one the bulb, but something irrational remains about it.