確かく率りつ密みつ度ど関かん数すう

noun

probability density function

Technical term in mathematics and statistics; often abbreviated as PDF.

• 正せい規き分ぶん布ぷの確かく率りつ密みつ度ど関かん数すうは、平へい均きんと分ぶん散さんで決きまります。

  The probability density function of the normal distribution is determined by the mean and variance.