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Grade 7 practice
Simple probability · 1–6
Write each probability as a fraction in simplest form.
1.One marble is picked without looking. What is the probability that it is dark? 2.One marble is picked without looking. What is the probability that it is dark? 3.One marble is picked without looking. What is the probability that it is dark? 4.One marble is picked without looking. What is the probability that it is dark? 5.One marble is picked without looking. What is the probability that it is dark? 6.One marble is picked without looking. What is the probability that it is dark? Probability of compound events · 7–12
Find each probability. Write it as a fraction in simplest form.
7.Two number cubes are rolled. What is the probability that the sum is 9?
8.Two number cubes are rolled. What is the probability that the sum is 4?
9.Two number cubes are rolled. What is the probability that the sum is 11?
10.Two number cubes are rolled. What is the probability that the sum is 6?
11.Two number cubes are rolled. What is the probability that the sum is 7?
12.Two number cubes are rolled. What is the probability that the sum is 5?
Answer key — Grade 7 practice
Probability of compound events
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