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March 2010
Tags

randomness

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In the early days of the UK National Lottery, it was quite common to see newspaper articles that looked back on what numbers had recently been drawn, and attempted to identify certain numbers as "due" or "hot". Few such articles appear now, and John Haigh thinks that perhaps the publicity surrounding the lottery has enhanced the nation's numeracy.

Tags: lottery : randomness : combinatorics


Tags: computer science : randomness : calculating digits of pi


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There are many different types of lottery around the world, but they all share a common aim: to make money. John Haigh explains why lotteries are the way they are.

Tags: lottery : randomness : combinatorics


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How much evidence would you need before buying into a get rich quick scheme? Do high ice cream sales cause shark attacks? And just how likely was it that you were ever born? Andrew Stickland finds out that, when it comes to probability, our instincts can lead us seriously astray.

Tags: randomness : bias : survivorship fallacy : correlation : causation


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You might think that if you collected together a list of naturally-occurring numbers, then as many of them would start with a 1 as with any other digit, but you'd be quite wrong. Jon Walthoe explains why Benford's Law says otherwise, and why tax inspectors are taking an interest.

Tags: statistics : logarithm : randomness : Benford's Law : distribution of digits : fraud detection : scale invariance : uniform distribution


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How to win with quantum uncertainty

Tags: quantum mechanics : randomness : gambling : quantum uncertainty


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Coincidences are familiar to us all but what are the so-called laws of chance? From coin tossing to freak weather events, Geoffrey Grimmett explains how probability is at the heart of it all.

Tags: actuarial mathematics : randomness : birthday problem : coincidence : Kolmogorov's axioms of probability theory : coin-tossing : run of heads or tails