Videos and lessons to help High School students learn how to apply the Addition Rule, P(A or B) = P(A) + P(B) − P(A and B), and interpret the answer in terms of the model.

- Define the probability of event (A or B) as the probability of their union.
- Understand and use the formula P(A or B) = P(A) + P(B) P(A and B).

Common Core: HSS-CP.B.7

Related Topics:

Common
Core (Statistics & Probability)

Common Core
for Mathematics

Venn diagrams and the addition rule for probability.

Addition Rules for Probability

How to find the probability of mutually exclusive events and non mutually exclusive events using the sample space for cards and dice.

Addition Rule (Probability "or")

General Addition Rule for Probability

Demonstrates a few examples of how the General Addition Rule is used.

Addition Rule of Probability.

The Addition Rule for Probability

Finding probabilities with the addition rule.