Probability of rolling a sum with two dice
List the equally likely outcomes. Probability = favourable ÷ total, as a fraction in lowest terms.
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Two fair 6-sided dice are rolled. What is the probability that the sum is at least 3? Write a fraction in lowest terms.
Answer: 35/36
Two fair 6-sided dice are rolled. What is the probability that the sum is at most 6? Write a fraction in lowest terms.
Answer: 5/12
Two fair 6-sided dice are rolled. What is the probability that the sum is at most 11? Write a fraction in lowest terms.
Answer: 35/36
Tip: List the equally likely outcomes. Probability = favourable ÷ total, as a fraction in lowest terms.
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