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Math Help - sketching help!!!

  1. #1
    Member
    Joined
    Apr 2008
    Posts
    85

    sketching help!!!

    how do i sketch a probability density function.i cant find how to do it anywhere!driving me nuts

    example f(x)=

    kx.........0  \leq 1
    k(2-x)........  1\leq x\leq2
    0 ........elsewhere

    k=1 from my workings.thanks in advance
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  2. #2
    Member
    Joined
    May 2008
    Posts
    186
    Draw the line y=x between 0 and 1 on the x-axis and the line y=2-x between 1 and 2 on the x-axis. It should be a triangle with an area of 1.
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