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Mathematics

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Probability - Statistics - Information Theory - Econometrics

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Probability

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Probability Terminology

Random Variables (RV)

Created on Jan 24, 2024

Random Variables (RV)
  • is a real-valued function 𝑋 : 𝛺 → ℝ where 𝛺 is the sample space

RV - Examples

The value of 2 dice rolls. For example (1,4)∊𝛺, then:

  • if 𝑋 = sum of 2 dice rolls, then 𝑋(1,4) = 5
  • if 𝑋 = diff of 2 dice rolls, then 𝑋(1,4) = -3
  • etc

Subpages

  • Random Variables vs Events in Event Space