Lesson 12 of 20 · about 15 min
Rare events: the Poisson distribution
A help desk gets 3 tickets an hour on average. How often is an hour completely quiet? How often is it a flood? Counts of random, independent events follow one distribution, the Poisson. You'll see it appear as the limit of the binomial, then test it on a famous 1898 data set about soldiers kicked by horses.
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In this lesson you'll learn:
- Poisson distribution
- Law of rare events
Free to try in F07 Probability & Statistics:
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