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