Grade 7 · Statistics & Probability
Compound probability
144 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
For spirit week, Priya can wear one of 3 T-shirts, one of 3 pairs of shorts, and one of 3 pairs of sneakers. How many different outfits of one T-shirt, one pair of shorts, and one pair of sneakers can she make?
Warm-up
For spirit week, Priya can wear one of 5 T-shirts, one of 2 pairs of shorts, and one of 4 pairs of sneakers. How many different outfits of one T-shirt, one pair of shorts, and one pair of sneakers can she make?
Warm-up
For spirit week, Priya can wear one of 2 T-shirts, one of 5 pairs of shorts, and one of 3 pairs of sneakers. How many different outfits of one T-shirt, one pair of shorts, and one pair of sneakers can she make?
Problems shown under their original terms: Generated (template, solver-computed).
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