Always think articles on statistics and chances worth reading - since we all seem to have a mental blindspot when it comes to probability
http://www.guardian.co.uk/commentisfree/cifamerica/2012/mar/30/how-mega-millions-is-like-shark-attack
Though of course some odds aren't easily compared; even if chance of a shark attack for the global population is 250m to 1, the odds must be significantly lower for people inland who never enter the water! But still, does make the important point that we (a) are terrible at judging odds in the first place and (b) allow 'ease of visualization' (influenced by media reports) to distort our judgement even more.
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