Instructional Video
Crash Course

Crash Course Statistics #13: Probability: Rules and Patterns

9th - 10th Standards
This video is an introduction to probability. You will learn about how the addition (OR) rule, the multiplication (AND) rule, and conditional probabilities help us figure out the likelihood of sequences of events happening. [12:00]
Instructional Video
Khan Academy

Khan Academy: Addition Rule for Probability

9th Standards
Venn diagrams and the addition rule for probability.
Instructional Video
Khan Academy

Khan Academy: Conditional Probability Explained Visually

9th - 10th Standards
Conditional probability is explained via the flipping of coins.
Instructional Video
Khan Academy

Khan Academy: Probability With Venn Diagrams

9th - 10th Standards
Probability of compound events. The Addition Rule.
Instructional Video
Khan Academy

Khan Academy: Conditional Probability and Independence

9th - 10th Standards
Use conditional probability to see if events are independent or not.
Instructional Video
Khan Academy

Khan Academy: Conditional Probability Tree Diagram Example

9th - 10th Standards
Using a tree diagram to work out a conditional probability question. If someone fails a drug test, what is the probability that they actually are taking drugs?
Instructional Video
Sophia Learning

Sophia: Either/or Probability for Non Overlapping Events: Lesson 1

9th - 10th Standards
This lesson will explain the rule for finding the probability of at least one of two or more non-overlapping events happening. It is 1 of 3 in the series titled "Either/Or Probability for Non-Overlapping Events." Includes short quiz. [5:42]
Instructional Video
Sophia Learning

Sophia: Either/or Probability for Overlapping Events: Lesson 3

9th - 10th Standards
This lesson will explain the general addition rule for probability. It is 3 of 4 in the series titled "Either/Or Probability for Overlapping Events." [5:08]
Instructional Video
Sophia Learning

Sophia: Either/or Probability for Non Overlapping Events: Lesson 4

9th - 10th Standards
This lesson will explain the rule for finding the probability of at least one of two or more non-overlapping events happening. It is 4 of 4 in the series titled "Either/Or Probability for Non-Overlapping Events." [4:33]
Instructional Video
Sophia Learning

Sophia: Either/or Probability for Overlapping Events: Lesson 4

9th - 10th Standards
This lesson will explain the general addition rule for probability. It is 4 of 4 in the series titled "Either/Or Probability for Overlapping Events." [6:57]
Instructional Video
Sophia Learning

Sophia: Either/or Probability for Non Overlapping Events: Lesson 2

9th - 10th Standards
This lesson will explain the rule for finding the probability of at least one of two or more non-overlapping events happening. Lesson 2 of 4. Includes short quiz. [3:16]