# Probability

## Probability basics

Learn
Intro to theoretical probabilityProbability: the basicsSimple probability: yellow marbleSimple probability: non-blue marbleExperimental probabilityTheoretical and experimental probabilitiesMaking predictions with probabilityIntuitive sense of probabilitiesProbability models example: frozen yogurtTheoretical and experimental probability: Coin flips and die rolls
Practice
Simple probabilityGet 5 of 7 questions to level up!
Experimental probabilityGet 5 of 7 questions to level up!
Making predictions with probabilityGet 5 of 7 questions to level up!
Comparing probabilitiesGet 5 of 7 questions to level up!
Probability modelsGet 5 of 7 questions to level up!

## Counting with permutations

Learn
Counting outcomes: flower potsCount outcomes using tree diagramPermutation formulaPossible three letter wordsWays to arrange colorsWays to pick officers
Practice
The counting principleGet 3 of 4 questions to level up!
PermutationsGet 3 of 4 questions to level up!

## Counting with combinations

Learn
Intro to combinationsCombination formulaHandshaking combinationsCombination example: 9 card hands
Practice
CombinationsGet 3 of 4 questions to level up!

## Probability with counting, permutations, combinations

Learn
Probability with counting outcomesExample: All the ways you can flip a coinExample: Different ways to pick officersExample: Combinatorics and probabilityMega millions jackpot probability
Practice
Probability with permutations and combinationsGet 3 of 4 questions to level up!

## Multiplication rule for independent events

Learn
Compound probability of independent eventsIndependent events example: test takingFree-throw probability
Practice
Probabilities of compound eventsGet 3 of 4 questions to level up!
Independent probabilityGet 3 of 4 questions to level up!

## Multiplication rule for dependent events

Learn
Dependent probability introductionIndependent & dependent probabilityDependent probability: coins
Practice
Dependent probabilityGet 3 of 4 questions to level up!

Learn
Practice
Adding probabilitiesGet 3 of 4 questions to level up!

## Conditional probability

Learn
Conditional probability using two-way tables

## Simulation and randomness

Learn
Simulation and randomness: Random digit tables

## Expected value

Learn
Expected value (basic)