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A probability provides a quantitative description of the likely occurrence of a particular event.

7 votes
4 answers
2k views

Expected value until a success?

Each side, respectively, has probability $P(X=x) = \{0.15, 0.2, 0.25, 0.3, 0.1\}$ What's the expected payout for the game? …
3 votes
2 answers
278 views

Why is the total probability theorem expressed in this way?

The total probability theorem states the following: Let $A_1$,...,$A_n$ be a partition of $\Omega$. …