(Answered) Suppose major earthquakes happen at the rate of 2 per yeara

Statistics

Suppose major earthquakes happen at the rate of 2 per year.

(a) If we know there has been no major earthquakes in the past 6 months, what is the probability that there will be no major earthquakes within the next 6 months.

(b) What is the probability that 5 major earthquakes happen during the next two years.

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