Use Theorem 5.9 to show that for the Poisson distribution 3 = 1/, where 3 is the

Question:

Use Theorem 5.9 to show that for the Poisson α3 = 1/√λ, where α3 is the measure of skewness defined in Exercise 4.26 on page 129.
Theorem 5.9
The moment-generating function of the Poisson is given by
MX(t) = eλ(et – 1)
Distribution
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