Poisson Process Probability Question

samedi 1 mars 2014

Hello,



I have this one problem but have no idea how to get started.



Avg. number of accidents is .4 accidents / day (Poisson Process)



What is the probability that the time from now to the next accident will be more than 3 days?



What is the probability that the the time from now to the 3rd accident will be more than 5 days?



Any information / formulas would be appreciated.





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