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# Unit: Random variables and probability distributions

AP Stats:
UNC (BI)
,
UNC‑3 (EU)
,
VAR (BI)
,
VAR‑5 (EU)
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#### 0

Possible mastery points

## Introduction to random variables and probability distributions

AP Stats:
VAR (BI)
,
VAR‑5 (EU)
,
VAR‑5.A (LO)
,
VAR‑5.A.1 (EK)
,
VAR‑5.A.2 (EK)
,
VAR‑5.A.3 (EK)
,
VAR‑5.C (LO)
,
VAR‑5.C.1 (EK)
,
VAR‑5.C.2 (EK)
,
VAR‑5.C.3 (EK)
,
VAR‑5.D (LO)
,
VAR‑5.D.1 (EK)

### Practice

#### Quiz 1

Level up on the above skills and collect up to 240 Mastery points

## Mean and standard deviation of random variables

### Practice

#### Quiz 2

Level up on the above skills and collect up to 240 Mastery points

AP Stats:
VAR (BI)
,
VAR‑5 (EU)
,
VAR‑5.F (LO)
,
VAR‑5.F.1 (EK)

## Combining random variables

AP Stats:
VAR (BI)
,
VAR‑5 (EU)
,
VAR‑5.E (LO)
,
VAR‑5.E.1 (EK)
,
VAR‑5.E.2 (EK)
,
VAR‑5.E.3 (EK)

#### Quiz 3

Level up on the above skills and collect up to 240 Mastery points

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

## Parameters for a binomial distribution

AP Stats:
UNC (BI)
,
UNC‑3 (EU)
,
UNC‑3.A (LO)
,
UNC‑3.A.2 (EK)
,
UNC‑3.B (LO)
,
UNC‑3.B.1 (EK)
,
UNC‑3.C (LO)
,
UNC‑3.C.1 (EK)

### Practice

#### Quiz 4

Level up on the above skills and collect up to 320 Mastery points

## The geometric distribution

AP Stats:
UNC (BI)
,
UNC‑3 (EU)
,
UNC‑3.E (LO)
,
UNC‑3.E.1 (EK)
,
UNC‑3.E.2 (EK)
,
UNC‑3.F (LO)
,
UNC‑3.F.1 (EK)

### Practice

#### Quiz 5

Level up on the above skills and collect up to 320 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 1700 Mastery points!