Desrtopa comments on Amanda Knox: post mortem - Less Wrong
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It is a little over the chance that if you are dealt two cards from a standard deck of cards that one of them will be the ace of spaces. It is a little under the chance that if you are dealt three cards from a standard deck that one them will be the ace of spades.
It is roughly the chance that if you pick three random members of the US House of Representatives that at least two of the three will not be reelected.
If It is about half as likely as the chance that a given US soldier in Iraq over the last decade will have been killed or too badly injured to return to duty (generally estimated to be around 9%). ETA: This number is wildly off. Disregard.
It is slightly less likely than your expectation for Schrodinger's cat to be alive if you run the experiment 5 times.
It is a bit under the chance that if you put your money on two numbers on a roulette wheel that one of them will turn up.
It is slightly over the chance that if you meet two random South Koreans that their last names will both be "Kim".
ETA: Here's a depressing one: It is around the chance that if you pick two children with childhood leukemia that they will both survive five years.
Who exactly?
--Le Feu (Under Fire), translation.
Oh. Hmm. I don't remember where I saw this but that number is my background fact set. But when I look at the actual numbers this is clearly false. There have been around 30,000 people wounded or killed. (Source) and around a million who have served. That means that the probability of being wounded or killed at all is around .03, which is much smaller, and that's even before the fact that I said wounded severely enough that one can't keep fighting. Also in retrospect my number was obviously too high. Severe failure of rationality on my part. Ugh.
I thought that number was highly suspicious, but I attributed it to the combined category (killed or too injured to return -- which of course are very different things from the perspective of the individual concerned!).