5
Answer: ASet 1: Probability (Beginner)
Explanation
PROBLEM
A bag contains 17 balls, 15 of which are blue. What is the probability of randomly selecting a blue ball?
A bag contains 17 balls, 15 of which are blue. What is the probability of randomly selecting a blue ball?
A.✓ Correct
15/17
B.
15/18
C.
2/17
D.
17/15
Detailed Explanation
Choice A is the best answer. P = favorable/total = 15/17 = 15/17
Why others are wrong:
B: 15/18 is incorrect because it does not satisfy the equation.
C: 2/17 is incorrect because it does not satisfy the equation.
D: 17/15 is incorrect because it does not satisfy the equation.