Year 7 Probability Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 probability worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · ProbabilityYear 7 Probability Worksheet — Level 3 — Practice Set 3 — Answers
Write each probability as a fraction in simplest form.
1.A fair six-sided die is rolled. What is the probability of rolling an even 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 1 red, 3 blue and 1 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 5
- P(blue) = 3/5 =
4.A bag has 1 red, 4 blue and 1 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 6
- P(blue) = 4/6 =
5.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
6.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
7.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
8.A fair six-sided die is rolled. What is the probability of rolling a number greater than 4?
Answer:
- Favourable outcomes: 2 out of 6
9.A bag has 4 red, 6 blue and 6 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 16
- P(red) = 4/16 =
10.A bag has 6 red, 3 blue and 6 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 15
- P(red) = 6/15 =
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