A bag contains 3 red, 4 green, and 1 blue ball. If 1 more green ball is added, what is the new probability of picking a green ball?
- 4/8
- 5/9
- 5/8
- 4/9
Explanation
New total balls = 3 + 4 + 1 + 1 = 9.
Green balls = 4 + 1 = 5.
Probability = 5/9
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- 1/5
- 1/6
- 1/7
- None of these
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- 5/6
- 5/7
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- 4/15
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- Favorable Outcomes ÷ Total Outcomes
- Total Outcomes ÷ Favorable Outcomes
- Favorable Outcomes × Total Outcomes
- None of these
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