Probability Basics
Understand outcomes, events, sample spaces and probability.
FoundationLearn probability through visual experiments, instant calculations, simulations and intelligent practice.
Calculate probability, fractions, percentages and odds instantly.
Run a virtual probability experiment and compare your results.
Master probability from simple chance experiments to conditional probability and distributions.
Understand outcomes, events, sample spaces and probability.
FoundationList and visualize all possible outcomes.
FoundationExplore simple, compound, independent and dependent events.
CoreUse favorable outcomes and total outcomes.
CoreCompare real experiments with theoretical probability.
CoreExpress probabilities as fractions and ratios.
CoreConvert probabilities into percentages.
CoreCalculate the probability that an event does not occur.
CoreUnderstand events where one outcome does not affect another.
AdvancedCalculate probability when information is given.
AdvancedUse permutations, combinations and counting rules.
AdvancedStudy repeated trials and binomial outcomes.
AdvancedExplore discrete and continuous distributions.
AdvancedCalculate long-run expected outcomes.
AdvancedConnect probability with data and statistics.
BridgeSolve challenging probability problems confidently.
MasterySolve probability questions and build your accuracy and streak.
Chance, outcomes, events and sample spaces.
Theoretical, experimental and complementary probability.
Independent, dependent and conditional events.
Combinations, permutations and probability distributions.
Expected value, advanced problems and exam mastery.
Probability rules, complements, conditional probability, counting formulas and distributions.
Run virtual coin, dice and random experiments and compare experimental results.
Calculate probability, percentages, fractions, odds and complements.
Build speed and accuracy through exam-style probability challenges.