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Lauren is just crazy about the Poisson distribution, it’s all she talks about. One day she...

Lauren is just crazy about the Poisson distribution, it’s all she talks about. One day she tells Ruben that if X is a random variable following the Poisson distribution, then it can be shown that P(n ≤ X ≤ n + 1) =[[ (e^−λ)(λ^( n+1)] / (n + 1)! ]+ FX(n) (where FX(n) is the CDF of the Poisson distribution). Show that this is true by showing your computations.

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