Grade 7 · Statistics & Probability
Probability
331 problems in this skill, each with a solver-verified answer key. Answers are checked the moment you submit — with a hint if you want one and a worked solution afterwards.
What the problems look like
A few statements from this skill. Answers, hints and worked solutions live in the practice session.
Warm-up
A weather station recorded whether it rained each day for 30 days. It rained on 5 of those days. Based on this data, what is the experimental probability that it rains on a given day? Give your answer as a fraction in simplest form.
Warm-up
A weather station recorded whether it rained each day for 29 days. It rained on 1 of those days. Based on this data, what is the experimental probability that it rains on a given day? Give your answer as a fraction in simplest form.
Warm-up
A weather station recorded whether it rained each day for 36 days. It rained on 31 of those days. Based on this data, what is the experimental probability that it rains on a given day? Give your answer as a fraction in simplest form.
Problems shown under their original terms: Generated (template, solver-computed).
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