Q49 What is the relationship between the poisson distribution and the exponential distribution? [3 Marks]
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Poisson distribution shows the probability of a given number of
events occurring in a fixed interval of time. Example; if average
of 5 cars are passing through in 1 minute. probability of 4 cars
passing can be calculated by using Poisson distribution.
Exponential distribution shows the probability of waiting times
between occurrences of events.
If we use the same example; probability of a car coming in next 40
seconds can be calculated by using exponential distribution.
-Poisson : probability of x times occurrence
-Exponential : probability of waiting times between events.
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