Set 5: Probability (Beginner)

**Choice B is the best answer.** P = favorable/total = 21/23 = 21/23

Explanation

Answer: B

PROBLEM

A bag contains 23 balls, 21 of which are white. What is the probability of randomly selecting a white ball?

22/23

21/23

✓ Correct

2/23

23/21

Detailed Explanation

Choice B is the best answer. P = favorable/total = 21/23 = 21/23

Why others are wrong:

A: 22/23 is incorrect because it does not satisfy the equation.

C: 2/23 is incorrect because it does not satisfy the equation.

D: 23/21 is incorrect because it does not satisfy the equation.