Practice Poisson Distribution (5.3) - Introduction to Statistics

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6 sample questions

Question 1.
What does the Poisson distribution help us model?
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Think about events that happen over time or space.
Question 2.
In the formula P(k; λ), what does 'k' represent?
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It's what you are counting in your event.
3Question 3.
What is λ in the Poisson distribution?
- The number of events
- The average rate of occurrences
- The total time
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It's a mean measure.
4Question 4.
True or False: The Poisson distribution can model continuous events.
- True
- False
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Remember it counts individual occurrences.
Question 5.
A library has an average of 7 visitors per hour. If you want to calculate the probability of exactly 10 visitors arriving in the next hour, what would you do?
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Apply the formula directly for your calculation.
Question 6.
An airport processes an average of 20 flights per hour. Calculate the probability of processing exactly 15 flights in the next hour.
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Make sure to remember the Poisson distribution formula.

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