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Counting Carefully - The Base Rate Fallacy

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Published on May 20, 2013

Why are doctors reluctant to randomly test or screen patients for rare conditions? Why are spam filters claimed to be so accurate and yet mess up so often? Why is air travel considered safe when a dozen crashes or incidents occur every year? Explore the math behind this anomaly.

Sources:
http://www.freeimageslive.co.uk/free_...
http://muppet.wikia.com/wiki/Count_vo...
http://elderscrolls.wikia.com/wiki/Va...)
http://fwallpapers.com/view/edward-cu...
http://www.funnyjunk.com/funny_pictur...
http://www.bbc.co.uk/doctorwho/galler...
http://www.flickr.com/photos/epsos/82...
http://www.youtube.com/watch?v=danYFx...

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