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Math Help - help me determine quartiles of random variables

  1. #1
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    help me determine quartiles of random variables

    F(x)=0 for x<0
    =1/3 for 0<=x<=1/2
    =1/2 for 1/2<=x<=3/4
    =1 for x>=3/4
    Determine,for the random variableX,the
    (a) upper quartile
    (b) lower quartile
    (c) propability mass function of X
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  2. #2
    MHF Contributor

    Joined
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    Re: help me determine quartiles of random variables

    Okay, what have you done on this, yourself. Do you know what "upper quartile" and "lower quartile" mean? Do you know how the probability mass function is?
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