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- September 13, 2020
- By menge

The number of accidents per day on a particular stretch of motorway follows a Poisson distribution with a mean of one. Find the probabilities of 0, 1, 2, 3, 4 or more accidents on this stretch of motorway on a particular day. Find the expected number of days with 0, 1, 2, 3, 4 or more accidents in a one-year period (assuming 365 days per year). If the average cost of policing an accident is £1000, find the expected cost of policing accidents on this stretch of motorway for a year.