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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- Feb 23rd 2010, 02:29 PMalexandrabel90p.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 - Feb 23rd 2010, 02:54 PMcpbrunner
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:

$\displaystyle p(x)=\frac{1}{n}$, where $\displaystyle x\in\{1,2,\ldots,n\}$