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    Disrete Probability and Poisson distribution

    1. You roll 7 dice at once. Find the probability that 2 of them will roll more than 2. Answer: 3.84% 2. On average, 2 major earthquakes with a magnitude of 8 or more occur each year. Calculate the probability of 11 major earthquakes happening during 3 years. Answer: 2.25% Please, help to...