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iren [92.7K]
2 years ago
15

Suppose that commercial airplane crashes in a certain country occur at the rate of 2.5 per year. what is the probability that fo

ur or more crashes will occur next year?
Mathematics
1 answer:
lesya [120]2 years ago
4 0
The poisson distribution applies here.
\lambda=2.5
P(X=4)=\frac{e^{-2.5}\times2.5^{4}}{4!}=0.134
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