Probability
Chance, likelihood and the mathematics of uncertainty.
01Probability scale and basicsThe 0 to 1 scale, equally likely outcomes, and writing probabilities as fractions, decimals or percentages.Read lesson →02Combined outcomesSample space diagrams and listing all outcomes for two-step experiments.Read lesson →03Independent and mutually exclusive eventsMultiplying probabilities for independent events and adding for mutually exclusive ones.Read lesson →04Tree diagrams and conditional probabilityBuilding tree diagrams for events with and without replacement, and finding conditional probabilities.Read lesson →