Probability density function of the Weibull distribution

# stats_dens_weibull

(PECL stats >= 1.0.0)

stats_dens_weibull — Probability density function of the Weibull distribution

### Description

stats_dens_weibull(float `$x`, float `$a`, float `$b`): float

Returns the probability density at `x`, where the random variable follows the Weibull distribution of which the shape parameter is `a` and the scale parameter is `b`.

### Parameters

`x`

  The value at which the probability density is calculated

`a`

  The shape parameter of the distribution

`b`

  The scale parameter of the distribution

### Return Values

The probability density at `x` or `false` for failure.

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