def METHOD_NAME(self, x: float) -> float:
    """Probability Density Function of the Normal Distribution. Returns the
    probability for observing the given sample in the distribution.
    Args:
        x: Point within the distribution's domain.
    """
    return np.exp(-0.5 * (x - self.location / self.scale) ** 2) / (
        self.scale * (2 * np.pi) ** 0.5
    )