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Leonard Mlodinow

The Drunkard's Walk

People have great problems in understanding randomness - we tend to invent patterns when there aren't any. In The Drunkard's Walk: How Randomness Rules Our Lives Leonard Mlodinow explains many of our misconceptions

Mlodinow gives lots of examples of how people have got it wrong when dealing with probabilities. You may have come across some of them before - the Monty Hall problem is a classic one - but you're likely to find some which you haven't seen before. I don't think that he get's everything right though. He claims that a lottery in 1920's New York which used the last 5 digits of the US treasury balance could have been gamed by someone who knew Benford's law - sorry I don't buy that.

The book goes on to describe some of the history of probability and statistics - the lives of Cardano, Pascal, and the Reverend Thomas Bayes. Mlodinow also looks at how statistics became important in running our lives, and at what can go wrong when we try to measure something.

I would say that the final chapter is the most important one of the book. Here Mlodinow argues that understanding randomness isn't just about obscure puzzles - its central to what happens in our lives. Analysis made with hindsight may just be trying to make sense of random events - but people believe it, and it may well become self fulfilling. It's an important message, in a book which is enjoyable and easy to read.

Note: This book is on the shortlist for the 2009 Royal Society Prize for Science Books info
Paperback 252 pages  
ISBN: 0307275175
Salesrank: 19746
Published: 2009 Vintage
Amazon price $13.95
Marketplace:New from $7.12:Used from $1.50
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Paperback 272 pages  
ISBN: 0307275175
Salesrank: 3657
Weight:0.65 lbs
Published: 2009 Vintage
Amazon price CDN$ 16.70
Marketplace:New from CDN$ 14.97:Used from CDN$ 5.74
Buy from

Product Description
With the born storyteller's command of narrative and imaginative approach, Leonard Mlodinow vividly demonstrates how our lives are profoundly informed by chance and randomness and how everything from wine ratings and corporate success to school grades and political polls are less reliable than we believe.

By showing us the true nature of chance and revealing the psychological illusions that cause us to misjudge the world around us, Mlodinow gives us the tools we need to make more informed decisions. From the classroom to the courtroom and from financial markets to supermarkets, Mlodinow's intriguing and illuminating look at how randomness, chance, and probability affect our daily lives will intrigue, awe, and inspire.