The number of nicht calls to a fire station in a small town can be modelled by
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The number of nicht calls to a fire station in a small town can be modelled by a Poisson distribution with mean 4.2 per night. Find the probability that on a particular night there will be three or more calls to the fire station. State what needs to be assumed about the calls to the fire station in order to justify a Poisson model.
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A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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