How likely is it, given what you know?
Start with possible outcomes. Read probabilities from a table, follow a tree to update a belief, and count choices without listing them all.
An event is a set of possible outcomes
An event is a set of possible outcomes
=1/6One die, then several independent rolls
- Find P(A) in one roll.
- How many even/odd patterns are possible in 3 rolls?
- Find the chance that every roll is even.
| Find | Result |
|---|---|
| One-roll probability | ? |
| Even/odd patterns | ? |
| All rolls even | ? |
Exam coming up and conditional probability still feels backwards?
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