Event/Examples/Prime Number on 6-Sided Die

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Example of Event

Let $\EE$ be the experiment of throwing a standard $6$-sided die.

The sample space of $\EE$ is $\Omega = \set {1, 2, 3, 4, 5, 6}$.

Consider the subset $E \subseteq \Omega$ defined as:

$E = \set {2, 3, 5}$

Then $E$ is the event that the result of $\EE$ is a prime number.