Suppose the Number X of Tornadoes Observed in Kansas During $\lambda = 9 .$

question 15

Essay

Suppose the number X of tornadoes observed in Kansas during a 1-year period has a Poisson distribution with $\lambda = 9 .$
a. Compute $P ( X \leq 5 )$
b. Compute $P ( 6 \leq X \leq 9 )$
c. Compute $P ( 10 \leq X )$

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