A box contains 6 red, 4 blue, and 5 green balls. What is the probability of selecting a blue ball?
- 4/15
- 6/15
- 5/15
- None of these
Explanation
Total balls = 6 red + 4 blue + 5 green = 15
Number of blue balls = 4
Probability of selecting a blue ball = Number of blue balls / Total balls
= 4 / 15
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