Conditional probability trainer. See the full picture, then zoom in on a condition and find the new probability from the reduced sample space.
Phase 1: A dataset is shown as a table, Venn diagram, or frequency tree. Answer a standard probability question.
Phase 2: "GIVEN THAT..." — the data outside the condition fades away. Find the conditional probability from the reduced sample space.
10 questions per session. Max score: 40 points.
Choose your level