7th Grade Probability Worksheet — Level 3 — Practice Set 4 — 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 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 1 red, 1 blue and 5 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 7
- P(red) = 1/7 =
3.A fair six-sided die is rolled. What is the probability of rolling a prime number?
Answer:
- Favorable outcomes: 3 out of 6
4.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
5.A bag has 5 red, 1 blue and 5 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 11
- P(green) = 5/11 =
6.A fair six-sided die is rolled. What is the probability of rolling an even number?
Answer:
- Favorable outcomes: 3 out of 6
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 2 red, 6 blue and 4 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 12
- P(green) = 4/12 =
9.A bag has 6 red, 1 blue and 5 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 12
- P(red) = 6/12 =
10.A bag has 1 red, 1 blue and 2 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 4
- P(blue) = 1/4 =
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