Practice question
Question
In any given year, the probability of an earthquake greater than Magnitude 6 occurring in the Garhwal Himalayas is 0.04. The average time between successive occurrences of such earthquakes is ____ years
Explanation
For rare independent events, mean recurrence interval equals reciprocal of annual probability. With p=0.04 per year, expected interval =1/0.04=25 years, representing long-term average not exact prediction of next occurrence timing.
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