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# Unit: Probability

AP Stats:
UNC (BI)
,
UNC‑2 (EU)
,
VAR (BI)
,
VAR‑4 (EU)
Not feeling ready for this? Check out Get ready for AP® Statistics.

#### 0

Possible mastery points

If you're curious about the mathematical ins and outs of probability, you've come to the right unit! Here, we'll take a deep dive into the many ways we can calculate the likelihood of different outcomes. From using simulations to the addition and multiplication rules, we'll build a solid foundation that will help us tackle statistical questions down the line.

AP Stats:
UNC (BI)
,
UNC‑2 (EU)
,
UNC‑2.A (LO)
,
UNC‑2.A.1 (EK)
,
UNC‑2.A.2 (EK)
,
UNC‑2.A.3 (EK)
,
UNC‑2.A.4 (EK)
,
UNC‑2.A.5 (EK)
,
UNC‑2.A.6 (EK)
,
VAR (BI)
,
VAR‑4 (EU)
,
VAR‑4.A (LO)
,
VAR‑4.A.1 (EK)
,
VAR‑4.A.2 (EK)
,
VAR‑4.A.3 (EK)
,
VAR‑4.B (LO)
,
VAR‑4.B.1 (EK)

## Mutually exclusive events and unions of events

AP Stats:
VAR (BI)
,
VAR‑4 (EU)
,
VAR‑4.C (LO)
,
VAR‑4.C.2 (EK)
,
VAR‑4.E (LO)
,
VAR‑4.E.4 (EK)

### Practice

#### Quiz 1

Level up on the above skills and collect up to 160 Mastery points

AP Stats:
VAR (BI)
,
VAR‑4 (EU)
,
VAR‑4.D (LO)
,
VAR‑4.D.1 (EK)
,
VAR‑4.E (LO)
,
VAR‑4.E.1 (EK)
,
VAR‑4.E.2 (EK)

## Independent versus dependent events and the multiplication rule

AP Stats:
VAR (BI)
,
VAR‑4 (EU)
,
VAR‑4.A (LO)
,
VAR‑4.A.4 (EK)
,
VAR‑4.D (LO)
,
VAR‑4.D.2 (EK)
,
VAR‑4.E (LO)
,
VAR‑4.E.1 (EK)
,
VAR‑4.E.2 (EK)

#### Quiz 2

Level up on the above skills and collect up to 240 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 500 Mastery points!
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