A pair of dice is rolled. Given that the sum of the numbers appearing on the dice is 8, the probability that a 3 appeared on at least one die is:
A pair of dice is rolled. Given that the sum of the numbers appearing on the dice is 8, the probability that a 3 appeared on at least one die is:
- A. 1/5
- B. 2/5
- C. 3/5
- D. 1/4
Answer: B) 2/5
Explanation: Sample space for sum 8: {(2,6), (3,5), (4,4), (5,3), (6,2)}. Total outcomes = 5. Outcomes with a 3 = {(3,5), (5,3)}. Probability = 2/5.
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