This is a great article about probability theory written by Steven Strogatz. His whole blog is good for non-mathematicians but this one has a nice example about conditional probability.

http://opinionator.blogs.nytimes.com/2010/04/25/chances-are/



On 6/24/2010 10:13 AM, Ed Merkle wrote:
Christophe,

You may already know it, but Gelman has a book on teaching statistics that contains many good examples. One that comes to mind (I think I found it there, at least) involves conditional probabilities involving being drunk and having a car accident at night. The upshot is that P(accident at night | drunk) is low, but P(drunk | accident at night) is high (above .5, if I recall).

There is also a contingency table example from the tv show Mythbusters, where they study whether yawning is contagious. They do not use statistics in the tv show and end up drawing the wrong conclusion. See, for example,

http://www.statisticool.com/mythbusters.htm


Ed


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