Question

Three fair dice are thrown. What is the probability of getting a total of 15 given that they exhibit three different numbers that are in arithmetic progression?

• A. \( \frac{1}{8} \)
• B. \( \frac{1}{6} \)
• C. \( \frac{1}{4} \)
• D. \( \frac{1}{2} \)

Hint:

In conditional probability, always restrict the sample space first based on the given condition, then count favorable cases.

Answer 1

The Correct Option is B