Khan Academy: Probability Using Combinatorics: Probability Using Combinations

It's probably a good idea to use the unit. Young mathematicians learn about conditional probability using Venn diagrams, tree diagrams, and two-way tables. They also take into consideration independence and the addition rules.

Under which condition should you calculate a conditional probability? An educational video explains in detail the notation and calculations involved when finding a conditional probability. Using Venn diagrams to organize the...

Video showing the probability of exactly 3 heads in 5 flips using combinations.

Video lesson solving for the probability of winning the mega millions jackpot.

Practice solving problems on permutations and combinations with overcounting. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Video lesson demonstrating the probability of getting a certain hand in a game of cards by using combinations. I

Video lesson solving for the probability of winning the mega millions jackpot. [5:29]

Introductory combination problems, like if you have 5 friends and can pick 2 of them to join you on a boat ride, how many different groups of friends could you take with you? Students receive immediate feedback and have the opportunity...

This video shows the probability of winning a 4-number lottery?

Your learners will be surprised by the thought-provoking, counterintuitive puzzle presented in this short video that models a fun, fictional situation in which a game is played with two number cubes to decide which of two people wins a...