CK-12 Foundation
Ck 12: Algebra Ii: 5.1 Sample Spaces and Probability
This section explores how to determine the sample space, or possible outcomes, for an event such as rolling dice. It also investigates how to determine the probability of different outcomes occurring for an activity such as flipping a...
CK-12 Foundation
Ck 12: Interactive Geometry: 11.5 Everyday Examples of Independence, Probability
Learn about conditional probability in everyday situations, where additional information is known.
CK-12 Foundation
Ck 12: Interactive Geometry: 11.3 Conditional Probability
Learn how to calculate the conditional probabilities of events based on information in a table.
Khan Academy
Khan Academy: Conditional Probability and Independence
In probability, we say two events are independent if knowing one event occurred doesn't change the probability of the other event. Examples and questions about conditional probability.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math; Introduction to Probability
A good introduction to concepts in probability, this page also gives a great definition of sample space. Scroll down halfway to find sample space.
Richland Community College
Richland Community College: Probability Definitions
This site, which is provided for by the Richland Community College, gives a list of probability definitions.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Probability
Find a quick, concise explanation of probability. An example is given and clearly explained.
Shmoop University
Shmoop: Basic Statistics & Probability: Basic Probability
The mathematics resource investigates basic probability. Students learn about the topic through notes and examples. The tutorial consists of practice exercises to check for comprehension of the concept.
Shmoop University
Shmoop: Basic Statistics & Probability: And vs. or Probability
The mathematics resource investigates probability using "and" and "or". Students learn about the topics through notes and examples. The tutorial consists of practice exercises to check for comprehension of the concepts.
Shmoop University
Shmoop: Basic Statistics & Probability: Compound Events
The probability resource investigates compound events. Students learn about the topic through notes and examples. The tutorial consists of practice exercises to check for comprehension of the concept.
National Council of Teachers of Mathematics
The Math Forum: Odds and Probability
Odds and probability are related, but not the same thing. This question and answer site clears up the difference between the two.
Shodor Education Foundation
Shodor Interactivate: Dictionary: Conditional Probability
This interactive dictionary gives the definition of conditional probability with a link to a discussion regarding this topic.
University of Colorado
University of Colorado: Discrete Mathematics Project: What're the Odds?
This is an activity that may be instructive when trying to learn the concept of "odds" and how they are found.
Other
Mathematics Tutorials: Probability
This site does a basic overview of Probability and provides some sample problems.
Better Lesson
Better Lesson: Hs Statistics & Probability: Using Probability to Make Decisions
Learn about probability concepts with fun learning games including Algebra II Jeopardy, Deal or No Deal, Decisions Decisions, Show Time, Playin' against All Odds, and more.
Interactive Mathematics
Interactive Mathematics: Conditional Probability
In this tutorial, conditional probability is presented with a definition and examples.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Odds
Find a quick, concise explanation of odds as a specific way to express probabilities. An example is given and clearly explained.