Notes - Probability MT22, Random variables


Flashcards

Can you state the definition for a discrete random variable, and then the definition of just a random variable?


$X$ is a discrete random variable if

  • $\text{Im}(X)$ is a finite or countable subset of $\mathbb R$
  • $\forall x \in \text{Im}(X), \{\omega : X(\omega) = x\} \in \mathcal F$ $X$ is a random variable if



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