JGWeissman comments on Rationality quotes: April 2010 - Less Wrong

5 Post author: wnoise 01 April 2010 08:41PM

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Comment author: billswift 03 April 2010 04:16:09AM *  6 points [-]

If you can be sure of being right only 55 percent of the time, you can go down to Wall Street and make a million dollars a day. If you can't be sure of being right even 55 percent of the time, why should you tell other people they are wrong?

Dale Carnegie, How to Win Friends and Influence People

Comment author: JGWeissman 04 April 2010 07:48:09PM 7 points [-]

What if I am right 9 times out of 10 when I say I am 90% sure of something, but I am never or very rarely more than 50% sure of propositions of the form "This stock's price will go up/down, over a relevant time frame"?