7
Answer: ASet 2: Probability (Beginner)
Explanation
PROBLEM
A bag contains 16 balls, 4 of which are blue. What is the probability of randomly selecting a blue ball?
A bag contains 16 balls, 4 of which are blue. What is the probability of randomly selecting a blue ball?
A.✓ Correct
1/4
B.
2/4
C.
1/5
D.
15/16
Detailed Explanation
Choice A is the best answer. P = favorable/total = 4/16 = 1/4
Why others are wrong:
B: 2/4 is incorrect because it does not satisfy the equation.
C: 1/5 is incorrect because it does not satisfy the equation.
D: 15/16 is incorrect because it does not satisfy the equation.