Bell-shaped function - Wikipedia

terminology - Is there a name for this curve? Or, how should I describe the behavior of this graph (in words)? - Mathematics Stack Exchange

How do psychiatrists know if someone is dangerous or not? - Quora

Bell-shaped function

Beta Distribution — Intuition, Examples, and Derivation, by Ms Aerin

Bell Curve - Meaning, Graph, Formula, Example

Gaussian Distribution / Bell Curve Function - Statistics How To

Normal distribution bell-shaped curve with standard deviations (From

Of all the ways to represent a bell curve, why is the normal distribution the most popular? - Quora

Bell Shaped Curve: Normal Distribution In Statistics