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Math Help - Marginal pdf's

  1. #1
    Junior Member
    Joined
    Sep 2009
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    Marginal pdf's

    please help me understand the process of how they got
    from the first step to the second...they showed no steps
    therefore i must rely on the help of others..
    thanks for any help

    see attachment



    nevmnd figurred out
    Attached Thumbnails Attached Thumbnails Marginal pdf's-picc.jpg  
    Last edited by statman101; December 4th 2009 at 05:42 PM.
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  2. #2
    MHF Contributor matheagle's Avatar
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    just integrate y from 0 to 1-x and you have the marginal density of X.
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