Practice Poisson Distribution – Detailed Study (19.X)

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10 questions

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6 sample questions

Question 1.
What are the parameters of a Poisson distribution?
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Remember it represents the average number of events.
Question 2.
List one application of the Poisson distribution.
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Think about where you would see random events.
3Question 3.
What is the probability mass function of a Poisson distribution?
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Remember the structure of the PMF.
4Question 4.
Is the mean of a Poisson distribution equal to its variance?
- True
- False
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Think of the properties we discussed.
Question 5.
A bookstore sells an average of 4 novels per week. What is the probability that during a week, exactly 6 novels will be sold?
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Identify λ and k first.
Question 6.
Two independent machines produce widgets with a defect rate modeled by Poisson distributions of λ1 = 3 and λ2 = 2. What is the probability of a total of 4 defects?
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You’ll need to sum the means before calculating.

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