Grade 8 · Statistics & Probability
Probability
134 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
What is the probability of drawing a heart from a standard deck of 52 playing cards?
Warm-up
A bag contains 5 blue marbles, 3 red marbles, and 2 green marbles. If one marble is chosen at random, what is the probability that it is blue?
Warm-up
What is the probability of rolling a sum of 7 when two fair six-sided dice are rolled?
Problems shown under their original terms: Generated (solver-verified).
Practice this free, right now
Unlimited math practice is on the free plan — no card, no trial clock.