MATH 70

Introduction to Probability

Mathematics · 4 units · Undergraduate lower division (0-99)

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Introduction to probability through applications and examples. Topics include laws of large numbers, statistics, chance trees, conditional probability, Bayes’ rule, continuous and discrete random variables, jointly distributed random variables, multivariate normal and conditional distributions. In-depth discussion of betting schemes in gambling, occurrence of rare events, coincidences, and statistical predictions.

P/NP or letter grading.

When it runs

Fall 2025
Spring 2026
Fall 2026
Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.

Checking the Schedule of Classes…

Requisites

Official UCLA wording
Requisites: courses 31A, 31B.

BruinTree reads · Prerequisite

confidence 1.00 · from text

all of

Requires

Everything that has to come before this course, not just the courses named in the requisite above.

MATH 70

MATH 31ADifferential and Integral Calculus
- MATH 1Precalculus
MATH 31BIntegration and Infinite Series
- MATH 31ADifferential and Integral Calculusanother path to it

2 direct requisites. The whole upstream is here — 4 courses over 2 levels. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

MATH 70

ECON 109AAdvanced Sequence: Mathematical Economics

1 course lists this as a requisite. The whole downstream is here — 1 course over 1 level. Every course here opens its own tree.