Mathematics
Grade 9
15 min
Theoretical probability
Theoretical probability
Tutorial Preview
1
A bag has 3 red and 5 blue marbles. What is P(red)?
2
You roll a 6-sided die. What is P(2 or 5)?
3
A spinner has 4 equal sections: R, G, B, Y. What is P(not green)?
Sample Practice Questions
Easy
A bag contains 2 red and 7 blue marbles. What is the probability of drawing a red marble?
0.2/7
1.2/9
2.7/9
3.1/2
Easy
You roll a 6-sided die. What is the probability of rolling a 1?
0.1/6
1.1/5
2.1
3.6
Easy
A spinner has 5 equal sections labeled A, B, C, D, E. What is P(landing on C)?
0.1/4
1.1/5
2.5
3.1
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing Free