IB skill practice

Model counts with the Poisson distribution

Use Poisson probabilities and expected rates in applied count models.

Paper 1, Paper 2 5 marks Difficulty 4

Model counts with the Poisson distribution - interpretation demand

A sports institute receives incidents according to a Poisson model with mean \(\lambda=2.8\) per interval. Find \(P(X=4)\). Enter the requested value and choose the interpretation that matches the result.

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