The time interval (X) between successive earthquakes of a certain magnitude has an exponential distribution with density
Question:
The time interval (X) between successive earthquakes of a certain magnitude has an exponential distribution with density function given by
where x is measured in days. Find the probability that such an interval will not exceed 30 days.
Transcribed Image Text:
fx(x) = 90 --x/0 0 if x > 0 if x < 0
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