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The random variable X has moment generating function ox(t) = exp ((5+) ((50) +17+) Provide answers to the following to two decimal places (a)

The random variable X has moment generating function ox(t) = exp ((5+) ((50) +17+) Provide answers to the following to two decimal places (a) Evaluate the natural logarithm of the moment generating function of 3X at the point t = 0.67. (b) Hence (or otherwise) find the expectation of 3.X. (c) Evaluate the natural logarithm of the moment generating function of 3X+7 at the point t = 0.67.

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