Year 7 Probability Worksheet — Level 2 — 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 2 — Practice Set 4 — Answers
Write each probability as a fraction in simplest form.
1.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
2.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
3.A bag has 4 red, 4 blue and 3 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 11
- P(green) = 3/11 =
4.A fair six-sided die is rolled. What is the probability of rolling an even number?
Answer:
- Favourable outcomes: 3 out of 6
5.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
6.A fair six-sided die is rolled. What is the probability of rolling a number greater than 1?
Answer:
- Favourable outcomes: 5 out of 6
7.A bag has 3 red, 3 blue and 1 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 7
- P(green) = 1/7 =
8.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
9.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
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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