10
Answer: DSet 1: Probability (Beginner)
Explanation
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.✓ Correct
2/3
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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