Year 9 Probability Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the Year 9 probability worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · ProbabilityYear 9 Probability Worksheet — Level 1 — Answers
Write each probability as a fraction in simplest form.
1.A fair six-sided die is rolled. What is the probability of rolling a prime number?
Answer:
- Favourable outcomes: 3 out of 6
2.A fair six-sided die is rolled. What is the probability of rolling an even number?
Answer:
- Favourable outcomes: 3 out of 6
3.A bag has 2 red, 3 blue and 5 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 10
- P(blue) = 3/10 =
4.A bag has 5 red, 4 blue and 1 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 10
- P(blue) = 4/10 =
5.A bag has 3 red, 5 blue and 4 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 12
- P(red) = 3/12 =
6.A bag has 5 red, 5 blue and 5 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 15
- P(green) = 5/15 =
7.A bag has 5 red, 5 blue and 1 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 11
- P(blue) = 5/11 =
8.A bag has 2 red, 3 blue and 5 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 10
- P(red) = 2/10 =
9.A bag has 4 red, 5 blue and 5 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 14
- P(red) = 4/14 =
10.A fair six-sided die is rolled. What is the probability of rolling a number greater than 2?
Answer:
- Favourable outcomes: 4 out of 6
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