Validity Checks

Ensure (x) ≥ 0 for all x by plotting it.

In[9]:=

Histogram[pmf[x, n, p], {x, 0, n}, PlotRange→Automatic] ;

Ensure p(x) sums to exactly 1 over the random variable's support.

In[52]:=

Underoverscript[∑, i = lowsupport, arg3] pmf[i, n, p]

Out[52]=

1.

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