noun
probability curve
Technical term in statistics; refers to a curve representing a probability distribution, often the normal distribution curve.
正規曲線は統計学でよく使われる。
The probability curve is often used in statistics.
正規分布 is the normal distribution itself, while 正規曲線 refers specifically to the curve of that distribution.
Compound of 正規 (normal, regular) and 曲線 (curve).