probability density
nounUK /ˌprɒbəˈbɪləti ˈdɛnsɪti/
US /ˌprɑːbəˈbɪləti ˈdɛnsəti/
A way to show how likely different values are in a smooth, continuous range.
The probability density curve peaks where the most common heights are found.
OTHER MEANINGS
2. In physics, the amount of something per unit volume, area, or length.
The probability density of finding an electron near the nucleus is high.
3. A mathematical function used to describe the relative likelihood of a continuous random variable taking a given value.
We integrate the probability density over an interval to get the probability.
4. The concentration of probability mass in a continuous distribution.
A flat probability density means all values in the range are equally likely.