Set 4: Probability (Beginner)

**Choice D is the best answer.** P = favorable/total = 18/22 = 9/11

Explanation

Answer: D

PROBLEM

A bag contains 22 balls, 18 of which are white. What is the probability of randomly selecting a white ball?

9/12

11/9

9/22

9/11

✓ Correct

Detailed Explanation

Choice D is the best answer. P = favorable/total = 18/22 = 9/11

Why others are wrong:

A: 9/12 is incorrect because it does not satisfy the equation.

B: 11/9 is incorrect because it does not satisfy the equation.

C: 9/22 is incorrect because it does not satisfy the equation.