docs: update education/statistics/random-variable

2025-12-28 16:54:26 +00:00
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+---
+title: 隨機變數 (Random Variable)
+description: 
+published: true
+date: 2025-12-28T16:54:25.985Z
+tags: 
+editor: markdown
+dateCreated: 2025-12-28T16:41:51.938Z
+---
+
+## Discrete
+
+### Probability Mass Function (PMF)
+
+A set of probability value **p~i~** assigned to each of the values taken by the discrete random variables **x~i~**.
+
+### Cumulative Distribution Function (CDF)
+
+## Continuous
+
+### Probability Density Function (PDF)
+
+### Cumulative Distribution Function (CDF)