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Math Help - Proving Variance and Mean.

  1. #1
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    Proving Variance and Mean.

    Prove Var(X+t) = Var(X) for any random variable X and constant t.


    ==================
    My Attempt. I can only do this much, I am kinda lost.




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  2. #2
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    Re: Proving Variance and Mean.

    Quote Originally Posted by blackZ View Post
    Prove Var(X+t) = Var(X) for any random variable X and constant t.


    ==================
    My Attempt. I can only do this much, I am kinda lost.




    Thanks
    If t is a constant then the values of E(t), E(t^2) etc. should be obvious ..... Then everything simplifies ....
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