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Probability basics

Learn
Intro to theoretical probability
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Probability: the basics
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Simple probability: yellow marble
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Simple probability: non-blue marble
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Experimental probability
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Theoretical and experimental probabilities
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Making predictions with probability
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Intuitive sense of probabilities
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Probability models example: frozen yogurt
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Theoretical and experimental probability: Coin flips and die rolls
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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 pots
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Count outcomes using tree diagram
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Permutation formula
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Possible three letter words
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Ways to arrange colors
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Ways to pick officers
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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 combinations
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Combination formula
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Handshaking combinations
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Combination example: 9 card hands
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Practice
CombinationsGet 3 of 4 questions to level up!

Probability with counting, permutations, combinations

Learn
Probability with counting outcomes
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Example: All the ways you can flip a coin
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Example: Different ways to pick officers
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Example: Combinatorics and probability
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Mega millions jackpot probability
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Practice
Probability with permutations and combinationsGet 3 of 4 questions to level up!

Multiplication rule for independent events

Learn
Compound probability of independent events
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Independent events example: test taking
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Free-throw probability
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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 introduction
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Independent & dependent probability
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Dependent probability: coins
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Practice
Dependent probabilityGet 3 of 4 questions to level up!

Addition rule for probability

Learn
Probability with Venn diagrams
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Addition rule for probability
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Addition rule for probability (basic)
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Practice
Adding probabilitiesGet 3 of 4 questions to level up!

Conditional probability

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Conditional probability using two-way tables
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Simulation and randomness

Learn
Simulation and randomness: Random digit tables
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Expected value

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Expected value (basic)
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About this unit

Few things are certain in life. Probability gives us an idea of the likelihood or unlikelihood of different outcomes.