Monty Hall

[andrewducker]

[Poll #1770413]

Explanation

I have known what the answer was for ages, but for some reason it only "clicked" in my head today. You can blame sarahs_muse for triggering it.

Comments

[theweaselking.livejournal.com]

The explanation I always like to use is that you're not picking between your first choice and the one remaining door. You're picking between your first choice and *the best of all the other possible choices*.