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AMC probability problems

Basic and conditional probability, independent events, geometric probability and expected value.

213 problems in the archive use these ideas — 110 from the AMC 10 and 103 from the AMC 12.

Picks a problem you have not seen, at about the difficulty you are handling.

60 most recent problems

Newest contests first. Every problem opens with its answer choices, hints and a worked solution.

Use Start probability practice above to keep going through the remaining 153, or browse them by contest in the AMC 12 and AMC 10 archives.

Back to all counting & probability problems.