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7th Grade Probability Worksheet — Level 3 — Answers

Answer sheet with worked solutions for the 7th Grade probability worksheet.

Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Probability

7th Grade Probability Worksheet — Level 3 — 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:

  1. P(not rain) = 1 − =
2.A bag has 5 red, 4 blue and 1 green marbles. One is chosen at random. What is the probability it is red?

Answer:

  1. Total marbles: 10
  2. P(red) = 5/10 =
3.A bag has 5 red, 1 blue and 3 green marbles. One is chosen at random. What is the probability it is green?

Answer:

  1. Total marbles: 9
  2. P(green) = 3/9 =
4.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
5.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
6.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
7.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
8.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
9.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
10.A bag has 1 red, 6 blue and 6 green marbles. One is chosen at random. What is the probability it is green?

Answer:

  1. Total marbles: 13
  2. P(green) = 6/13 =
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