Probability
Maths · Grade 9 · Week 42 · 25 questions
Probability measures how likely an event is to happen, from impossible to certain. Understanding probability helps you make better predictions and informed decisions.
What you'll practise
- Calculate probability of simple events
- Express probability as fractions and percentages
- Distinguish between theoretical and experimental probability
- Solve problems involving combined events
All 25 questions in this Probability quiz
Grade 9 Maths — Probability: 25 practice questions with instant scoring and explanations.
- Probability 8 favorable, 11 total=?
- Probability 5 favorable, 11 total=?
- Probability 8 favorable, 12 total=?
- Probability 4 favorable, 17 total=?
- P(A and B), P(A)=4/8, P(B)=4/9=?
- P(A and B), P(A)=4/6, P(B)=4/7=?
- Probability 2 favorable, 17 total=?
- P(A and B), P(A)=3/6, P(B)=1/8=?
- Probability 2 favorable, 15 total=?
- Event 27/115 trials, probability=?
- Probability 2 favorable, 14 total=?
- P(A and B), P(A)=1/10, P(B)=3/7=?
- Probability 4 favorable, 13 total=?
- Event 22/120 trials, probability=?
- P(A and B), P(A)=5/8, P(B)=1/8=?
- P(not A) if P(A)=6/10=?
- Event 28/127 trials, probability=?
- Probability 4 favorable, 18 total=?
- Probability 1 favorable, 20 total=?
- P(A and B), P(A)=2/9, P(B)=2/9=?
- Probability 5 favorable, 20 total=?
- Event 34/116 trials, probability=?
- P(A and B), P(A)=2/10, P(B)=3/9=?
- Event 20/75 trials, probability=?
- P(A and B), P(A)=1/6, P(B)=3/7=?
Question 1 of 250 correct so far