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Section III — Discrete and Continuous Distributions

140. A random variable X has a Poisson distribution with a mean of 3. What is the probability that X is bounded by 1 and 3, that is, (Pr[1.00 le X le 3.00])?

A. (15e^{-3} ~~~~~) B. (12e^{-3}~~~~~ ) C. (frac{13}{2}e^{3} ~~~~~ ) D. (frac{3}{2}e^3~~~~~ ) E. (frac{1}{2}e^3 )

Hand Calculation Solution

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