stats_dens_normal
(PECL stats >= 1.0.0)
stats_dens_normal — Probability density function of the normal distribution
Description
stats_dens_normal(float
$x, float $ave, float $stdev): float
Returns the probability density at x, where the
random variable follows the normal distribution of which the mean is
ave and the standard deviation is
stdev.
Parameters
-
x -
The value at which the probability density is calculated
-
ave -
The mean of the distribution
-
stdev -
The standard deviation of the distribution
Return Values
The probability density at x or false for failure.
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