Question: Strange behavior of t-distribution command in Maple 2015

I am finding that the  PDF command with Student's t-distribution in the Statistics package is not behaving as expected. Here is what I tried so far:

>restart;
>with(Statistics):
>X := RandomVariable(StudentT(nu));
    
>PDF(X,0.5);
                         Dirac(X - 0.5)

Note that PDF(X,0.5) is evaluating to Dirac(X-0.5) instead of the pdf of Student's t-distribution density function. 

Any help in identifying the issue is greatly appreciated. I am running Maple2015 on linuxmint 17.

Thanks!

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