What is the probability of rolling a sum of 3 with two standard six-sided dice?
Difficulty: Hard
About this MCQ
Hard GRE item. Correct choice: C. 1/18.
- A. 1/9
Why not A: “1/9” is not 1/18.
- B. 1/6
Why not B: “1/6” is not 1/18.
- C. 1/18 ✓
- D. 1/12
Why not D: “1/12” is not 1/18.
Correct answer
C. 1/18
Explanation
1/18 is the value that answers “What is the probability of rolling a sum of 3 with two standard six-sided dice” (option C). Option A (1/9) is a different value from 1/18. Option B (1/6) is a different value from 1/18. Option D (1/12) is a different value from 1/18. Keep 1/18 as the GRE fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, GRE, Quant, Probability
Submitted by: MCQsHub Editorial