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Introduction to Probability

Overview

Probability helps you make smarter decisions—from judging risks to interpreting data. In this path, you’ll learn to calculate chances, estimate probabilities from experiments, build useful models, and solve multi-stage problems with confidence using only basic arithmetic.

What you'll learn

  • Identify outcomes, events, and sample spaces for chance processes
  • Calculate probabilities of simple events with equally likely outcomes
  • Estimate probabilities from experimental data using relative frequencies
  • Explain how sample size affects experimental probability estimates
  • Build and evaluate probability models for different chance processes
  • Predict expected frequencies using probability models
  • Solve compound probability problems with diagrams, tables, lists, and simulations

Advantages and disadvantages

Advantages

  • University courses you can audit for free, with lectures, readings and practice quizzes.
  • A verified certificate from the university if you pay for it.
  • Self-paced: start any time.

Disadvantages

  • Graded assignments and the certificate need the paid track.
  • Audit access can expire a few weeks after the course ends.
  • Learning is free, but the certificate costs money.
  • Some parts (graded work, certificate) are paid.

Some points apply to every course of this kind; see how we rank.

Free to audit

  • Free: Choose "Audit this course" when you enrol: lectures, readings and practice are free.
  • Paid: Graded assignments and the verified certificate (Certificate $40). Audit access may end after the course closes.

Before you start

Beginner: Computing Probabilities of Simple Events

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