${\displaystyle 0<p<1}$
(liczba rzeczywista)

${\displaystyle \{0,1\}}$

${\displaystyle {\begin{matrix}1-p&{\mbox{dla }}k=0\\p&{\mbox{dla }}k=1\end{matrix}}}$

${\displaystyle {\begin{matrix}0&{\mbox{dla }}k<0\\1-p&{\mbox{dla }}0\leqslant k<1\\1&{\mbox{dla }}k\geqslant 1\end{matrix}}}$

${\displaystyle p}$

${\displaystyle {\begin{matrix}0&{\mbox{dla }}p<{\tfrac {1}{2}}\\0;1&{\mbox{dla }}p={\tfrac {1}{2}}\\1&{\mbox{dla }}p>{\tfrac {1}{2}}\end{matrix}}}$

${\displaystyle p(1-p)}$

${\displaystyle {\frac {1-2p}{\sqrt {p(1-p)}}}}$

${\displaystyle {\frac {6p^{2}-6p+1}{p(1-p)}}}$

${\displaystyle -(1-p)\ln(1-p)-p\ln(p)}$

${\displaystyle 1-p+pe^{t}}$

${\displaystyle 1-p+pe^{it}}$

Jakob Bernoulli