MATH 170B

Probability Theory II

Mathematics · 4 units · Undergraduate upper division (100-199)

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Continuation of rigorous presentation of probability theory based on real analysis. Moments and generating functions; laws of large numbers, central limit theorem, and convergence in distribution; branching processes; random walks; Poisson and other random processes in continuous time. Advance topics in probability theory.

P/NP or letter grading.

When it runs

Spring 2026
Spring 2027

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

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Requisites

Official UCLA wording
Enforced requisites: courses 131A, 170A.

BruinTree reads · Prerequisite

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Requires

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

MATH 170B

MATH 131AAnalysis
- MATH 32BCalculus of Several Variables
  - MATH 31BIntegration and Infinite Series1 more beneath
  - MATH 32ACalculus of Several Variables1 more beneath
- MATH 33BDifferential Equations
  - MATH 31B

Unlocks

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

MATH 170B

MATH 178BFoundations of Actuarial Mathematics: Additional Topics in Long-Term Actuarial Mathematics
- MATH 178CFoundations of Actuarial Mathematics: Loss Models
BIOSTAT 270Stochastic Processes
EPS SCI 205Inverse Theory and Data Interpretation

3 courses list this as a requisite. The whole downstream is here — 4 courses over 2 levels. Every course here opens its own tree.