Year 7 Probability Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 7 probability worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · ProbabilityYear 7 Probability Worksheet — Level 1 — Practice Set 4 — 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 a multiple of 3?
Answer:
- Favourable outcomes: 2 out of 6
3.A bag has 5 red, 5 blue and 5 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 15
- P(blue) = 5/15 =
4.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
5.A bag has 6 red, 1 blue and 6 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 13
- P(green) = 6/13 =
6.A fair six-sided die is rolled. What is the probability of rolling an even number?
Answer:
- Favourable outcomes: 3 out of 6
7.A fair six-sided die is rolled. What is the probability of rolling a number greater than 3?
Answer:
- Favourable outcomes: 3 out of 6
8.A bag has 5 red, 6 blue and 6 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 17
- P(blue) = 6/17 =
9.A bag has 5 red, 1 blue and 4 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 10
- P(blue) = 1/10 =
10.A bag has 3 red, 5 blue and 2 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 10
- P(green) = 2/10 =
Marking tips
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