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Math Help - p.m.f

  1. #1
    Super Member
    Joined
    Aug 2009
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    639

    p.m.f

    supposed that X is a uniform discrete random variabe between a and b where a<b. write the p.m.f of X.

    how do i identify if this random variable falls under which distribution?

    thanks
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  2. #2
    Newbie
    Joined
    Feb 2010
    Posts
    20
    Are you asking what distribution of this random variable is? The question lists it there.

    The PMF (or, also commonly known, the probability density function, or PDF) of a discrete uniform R.V. is:
    p(x)=\frac{1}{n}, where x\in\{1,2,\ldots,n\}
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