Solution) Suppose the number X of tornadoes observed in a particular region during a 1-year period has a Poiss
Question: Suppose the number X of tornadoes observed in a particular region during a 1-year period has a Poisson distribution with λ=8. (5 points)
a. Calculate the expected value of X. (1)
b. Calculate the variance of X. (1)
c. What is the probability that no tornadoes are observed? (1)
d. What is the probability that greater than five tornadoes are observed? (2)
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