9th Grade Probability Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 9th Grade probability worksheet.
Success TutoringWorksheetsAnswer sheet9th Grade · Mathematics · Probability9th Grade Probability Worksheet — Level 2 — Practice Set 2 — 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 1 red, 2 blue and 4 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 7
- P(green) = 4/7 =
3.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
4.A fair six-sided die is rolled. What is the probability of rolling a number greater than 2?
Answer:
- Favorable outcomes: 4 out of 6
5.A fair six-sided die is rolled. What is the probability of rolling a prime number?
Answer:
- Favorable outcomes: 3 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.A fair six-sided die is rolled. What is the probability of rolling a number greater than 1?
Answer:
- Favorable outcomes: 5 out of 6
8.A fair six-sided die is rolled. What is the probability of rolling an even number?
Answer:
- Favorable outcomes: 3 out of 6
9.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
10.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 =
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