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-   -   Suppose X has moment generating function mX(t) = (e^t -1)/t. Find EX (https://www.askmehelpdesk.com/showthread.php?t=761718)

  • Aug 7, 2013, 03:03 PM
    Sana786
    Suppose X has moment generating function mX(t) = (e^t -1)/t. Find EX
    this question requires to find the expected value of X given the moment generating function

    How would you go about to start this?
    Please help :)
  • Apr 11, 2015, 12:21 AM
    CWH68
    E(X) = mX'(0). Hint: Differentiate the Taylor series expansion of
    mX(t) at t=0.

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