
Teens and antidepressants, stamp duty savings and earthquake probabilities
More or Less: Behind the Stats
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The Chance of Two People Sharing the Same Birthday
Three earthquakes hit Mexico City on September the 19th. This is an unbelievably rare event but not as surprising as it appears, says Andrew Keen. The chance of those three specific earthquakes occurring on the same day is incredibly rare. There's a 78% chance that at least two will have the same birthday and they're remarkably high.
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