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9th Grade Probability Worksheet — Level 3 — Answers

Answer sheet with worked solutions for the 9th Grade probability worksheet.

Success TutoringWorksheetsAnswer sheet9th Grade · Mathematics · Probability

9th 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 2 red, 3 blue and 6 green marbles. One is chosen at random. What is the probability it is blue?

Answer:

  1. Total marbles: 11
  2. P(blue) = 3/11 =
3.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
4.A fair six-sided die is rolled. What is the probability of rolling an even number?

Answer:

  1. Favorable outcomes: 3 out of 6
5.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
6.A bag has 2 red, 6 blue and 1 green marbles. One is chosen at random. What is the probability it is blue?

Answer:

  1. Total marbles: 9
  2. P(blue) = 6/9 =
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.A fair six-sided die is rolled. What is the probability of rolling a multiple of 3?

Answer:

  1. Favorable outcomes: 2 out of 6
10.The probability that it rains tomorrow is . What is the probability that it does not rain?

Answer:

  1. P(not rain) = 1 − =
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