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Probability
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When Probability Meets Real Life
When faced with a difficult decision, should you go with your gut or carefully calculate the attendant risks?
A Long-Sought Proof, Found and Almost Lost
When a German retiree proved a famous long-standing mathematical conjecture, the response was underwhelming.
The Devil in the Polling Data
The same problem that caused the 2007 financial crisis also tripped up the polling data ahead of this year’s presidential election.
Why (Almost) Everyone Was Wrong
The results of this year’s presidential election made a mockery of analytical election forecast modelers.
Solution: ‘Which Forecasts Are True?’
Aside from potential clues gleaned from a fluke result, it would take hundreds of U.S. presidential elections to definitely conclude that one election forecasting model is superior to another.
How Can We Tell Which Forecasts Are True?
Presidential election forecasts are historically successful and appear to be highly precise. Yet they’re often contradictory. What would it take to trust them?
Solution: ‘A Drunkard’s Walk in Manhattan’
City blocks help illustrate why walking randomly tends to take you away from your starting point.
A Drunkard’s Walk in Manhattan
Why is it that when you walk randomly, the more you walk, the farther you get from your starting point?
Solution: ‘A Random Place at the Table’
Try these shortcuts for solving problems that seem to require a lengthy calculation.