9

Set 3: Probability (Beginner)

Explanation

Answer: B

PROBLEM

Recent studies show that a fair six-sided die is rolled. What is the probability of getting an prime number?

A fair six-sided die is rolled. What is the probability of getting an prime number?

A.

5/6

B.

1/2

✓ Correct
C.

2/1

D.

1/6

Detailed Explanation

[Variation 1] Choice B is the best answer. Favorable outcomes: 2, 3, 5. P = 3/6 = 1/2

Why others are wrong:
A: 5/6 is incorrect because it does not satisfy the equation.
C: 2/1 is incorrect because it does not satisfy the equation.
D: 1/6 is incorrect because it does not satisfy the equation.