4

Set 5: Probability (Beginner)

Explanation

Answer: D

PROBLEM

A bag contains 22 balls, 12 of which are green. What is the probability of randomly selecting a green ball?

A bag contains 22 balls, 12 of which are green. What is the probability of randomly selecting a green ball?

A.

11/6

B.

6/22

C.

6/12

D.

6/11

✓ Correct

Detailed Explanation

Choice D is the best answer. P = favorable/total = 12/22 = 6/11

Why others are wrong:
A: 11/6 is incorrect because it does not satisfy the equation.
B: 6/22 is incorrect because it does not satisfy the equation.
C: 6/12 is incorrect because it does not satisfy the equation.