10

Set 1: Probability (Beginner)

Explanation

Answer: D

PROBLEM

A bag contains 15 balls, 10 of which are white. What is the probability of randomly selecting a white ball?

A bag contains 15 balls, 10 of which are white. What is the probability of randomly selecting a white ball?

A.

13/15

B.

3/3

C.

3/2

D.

2/3

✓ Correct

Detailed Explanation

Choice D is the best answer. P = favorable/total = 10/15 = 2/3

Why others are wrong:
A: 13/15 is incorrect because it does not satisfy the equation.
B: 3/3 is incorrect because it does not satisfy the equation.
C: 3/2 is incorrect because it does not satisfy the equation.

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