probability density function編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看probability density functionprobability density function — 名詞名詞1. A function that describes the likelihood of a continuous random variable taking 1.名詞釋義機率密度函數A function that describes the likelihood of a continuous random variable taking a given value.例句The probability density function of the normal distribution is bell-shaped.