19.X.1 - Definition
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Practice Questions
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What is the PMF of a Poisson distribution?
💡 Hint: It involves the average rate of events (λ).
If λ = 3, what is the mean of the distribution?
💡 Hint: Recall that mean and variance are equal in Poisson distribution.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the mean of a Poisson distribution?
💡 Hint: It’s the same as the variance.
True or False: The Poisson distribution can be used to describe the number of emails received in an hour.
💡 Hint: Consider real-life counting scenarios.
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Challenge Problems
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A store receives, on average, 20 customers per hour. Calculate the probability that exactly 15 customers arrive in the next hour.
💡 Hint: Apply the PMF of the Poisson distribution!
In a research study, a reviewer finds an error in 1 out of every 30 submissions. If 300 submissions were reviewed, calculate the probability of finding 10 errors.
💡 Hint: Use your established λ to find the probability!
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