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Course information comes from the public UCLA General Catalog. Requisites are read from UCLA’s published wording and can be incomplete or out of date — check the official catalog listing and your department adviser before you enroll.

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MATH 70Introduction 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

Checking the Schedule of Classes…

Requisites

Official UCLA wording

Requisites: courses 31A, 31B.

BruinTree reads · Prerequisite

confidence 1.00 · from text
all of
  • MATH 31A
  • MATH 31B

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About MATH 70. We read UCLA’s requisite wording by machine, and it gets things wrong.

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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.

  • 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.