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Unit: Probability and combinatorics
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About this unit
Probability and combinatorics are the conceptual framework on which the world of statistics is built. Besides this important role, they are fascinating, fun, and often surprising!Learn
Practice
- Probability with general multiplication ruleGet 3 of 4 questions to level up!
- Interpret probabilities of compound eventsGet 3 of 4 questions to level up!
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Practice
- PermutationsGet 3 of 4 questions to level up!
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Practice
- Probability with permutations and combinationsGet 3 of 4 questions to level up!
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Practice
- Graph probability distributionsGet 3 of 4 questions to level up!
- Probability with discrete random variablesGet 3 of 4 questions to level up!
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Practice
- Develop probability distributions: Theoretical probabilitiesGet 3 of 4 questions to level up!
- Develop probability distributions: Empirical probabilitiesGet 3 of 4 questions to level up!
Practice
- Use probabilities to make fair decisionsGet 3 of 4 questions to level up!
Learn
Practice
- Mean (expected value) of a discrete random variableGet 3 of 4 questions to level up!
- Interpret expected valueGet 3 of 4 questions to level up!
- Find expected payoffsGet 3 of 4 questions to level up!
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