# Question: With reference to Exercise 4 37 find the variance of the

With reference to Exercise 4.37, find the variance of the random variable by

In exercise

(a) Expanding the moment-generating function as an infinite series and reading off the necessary coefficients;

(b) Using Theorem 4.9.

In exercise

(a) Expanding the moment-generating function as an infinite series and reading off the necessary coefficients;

(b) Using Theorem 4.9.

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