A Poisson distribution models:

A Continuous data

B The number of events occurring in a fixed interval when events happen at a constant average rate

C Binary outcomes

D Normal data only

✓ Correct Answer: Option B

Poisson: P(X=k) = (λ^k e^−λ)/k!. Models rare events: defects per unit, arrivals per hour. λ = mean rate.

💡 Why is B) the correct answer?

The correct answer to the question "A Poisson distribution models:" is Option B: The number of events occurring in a fixed interval when events happen at a constant average rate.

The other options — A) Continuous data, C) Binary outcomes, D) Normal data only — are incorrect for this FE Exam Prep question. As explained above: Poisson: P(X=k) = (λ^k e^−λ)/k!. Models rare events: defects per unit, arrivals per hour. λ = mean rate.

📚 About This FE Exam Prep Practice Question

This 2-level FE Exam Prep question from the Mathematics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free FE Exam Prep practice test or use flashcards for spaced repetition review.

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A Poisson distribution models:

✓ Correct Answer: Option B

📚 About This FE Exam Prep Practice Question

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