Question

Asked Oct 15, 2019

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Please see picture

Step 1

**Introduction:**

Here, *M _{X}* (

The quantity *L _{X}* (

Remember that *M _{X}* (

Step 2

**Calculation to prove E (X) = L՜ (0):**

First, calculate the first order derivative of *LX* (*t*) with respect to *t*. After obtaining the d...

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