The density function of the normal distribution is
for all real values of .
Parameters:
is the mean, .
is the standard deviation, .
.
.
.
![\[ f(x) = \frac{1}{\sqrt {2\pi \sigma ^2}}e^{\frac{-(x - \mu )^2}{2\sigma ^2}} \]](images/simsug_app20058.png){kind=small}