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STA 4321
4/5
Introduction to Probability
3 credits
Offered: Fall & Spring
Statistics
Calculus-based probability theory: random variables, distributions, expectation, and limit theorems. Required for the statistics-heavy Data Science path and quant roles.
Typical workload: ~10 hrs/week outside class
Do not delay. UF lists this in critical tracking for 1 major, and 13 courses sit downstream of it in the prerequisite graph. Pushing it back can push back everything behind it.
Why students take this
From UF's official model plans and critical tracking, aggregated by TrackPilot.
Scheduled in 1 of 81 UF model plans, usually in semester 4 (sophomore year) and part of critical tracking for 1 major.
Data Science
Prerequisites
Chain shows catalog-listed prerequisite courses.
What it unlocks
13 courses list this as a prerequisite (directly or downstream).
Student reviews
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Career relevance
Quant trading interviews lean heavily on this material.
Critical for: Data Scientist
Critical for: Quantitative Trading / Development
Fall 2026 sections
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Registration risk
96 on waitlists now
Critical tracking for 1 majors
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