Mathematics
Grade 8
15 min
Probability of simple events
Probability of simple events
Tutorial Preview
1
A bag has 2 red and 3 blue marbles. What is P(red)?
2
You roll a 6-sided die. What is the probability of rolling an even number?
3
A spinner has 8 sections, 3 are green. What is P(not green)?
Sample Practice Questions
Easy
A bag contains 3 red and 4 blue marbles. What is the probability of drawing a red marble?
0.3/7
1.4/7
2.3/4
3.1/7
Easy
A coin is flipped. What is the probability of it landing on heads?
0.1/2
1.1
2.0
3.2
Easy
A spinner has 5 equal sections, numbered 1-5. What is P(landing on 3)?
0.1/5
1.3/5
2.1/3
3.1/2
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