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path: /students/cas-exams/exam-p
title: "Exam P (CAS Exam 1): Probability — study guide"
description: "Exam P (CAS Exam 1) (Probability) study guide: format, syllabus topics, and study tips for the CAS exam path. Probability foundations: general probability, univariate and multivariate random variables."
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# Exam P (CAS Exam 1): Probability — study guide

Probability foundations: general probability, univariate and multivariate random variables. This guide covers the format, the syllabus topics, and how to study for Exam P (CAS Exam 1) on the path to your CAS credentials. Always confirm current fees, dates, and syllabus weights on the official page before you register.

## Format

3-hour computer-based test, 30 multiple-choice questions (Prometric)

## What it covers

- General probability
- Univariate random variables (the most heavily weighted area)
- Multivariate random variables
- Risk-management applications of probability

## How to study

- Calculus (series, differentiation, integration) is assumed knowledge going in.
- Univariate random variables is the largest section — weight your study toward it.
- Spend the bulk of your time on practice problems; finish with timed full-length exams.
- Use the official SOA sample exam and past questions to calibrate difficulty.

## Where it sits on the path

Exam P (CAS Exam 1) is a preliminary requirement administered by the SOA. See the full CAS path from preliminary exams through the ACAS and FCAS designations.