7th Grade Probability Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the 7th Grade probability worksheet.
Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Probability7th Grade Probability Worksheet — Level 3 — Practice Set 2 — 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:
- Favorable outcomes: 3 out of 6
2.A bag has 3 red, 6 blue and 2 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 11
- P(red) = 3/11 =
3.A bag has 1 red, 2 blue and 1 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 4
- P(blue) = 2/4 =
4.A fair six-sided die is rolled. What is the probability of rolling a multiple of 3?
Answer:
- Favorable outcomes: 2 out of 6
5.A fair six-sided die is rolled. What is the probability of rolling an even number?
Answer:
- Favorable outcomes: 3 out of 6
6.A bag has 4 red, 2 blue and 5 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 11
- P(red) = 4/11 =
7.A bag has 1 red, 5 blue and 3 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 9
- P(red) = 1/9 =
8.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
9.A bag has 3 red, 4 blue and 2 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 9
- P(blue) = 4/9 =
10.A bag has 1 red, 3 blue and 4 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 8
- P(blue) = 3/8 =
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