Probability
Mediummathematics
The probability of getting a sum of 7 when two dice are rolled is
Select the correct option:
Solution
Incorrect! Answer:
1/6
- Total Sample Space: Two 6-sided dice ⟹6×6=36 outcomes.
- Identify Favorable Cases (sum=7):
- (1,6),(2,5),(3,4),(4,3),(5,2),(6,1).
- Count: There are 6 favorable outcomes.
- Probability Calculation:
- P=6/36=1/6.
- Note: 7 is the most likely sum when rolling two dice.
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About This Question
- Subject
- mathematics
- Chapter
- statistics and probability
- Topic
- probability
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
1/6
- Total Sample Space: Two 6-sided dice ⟹6×6=36 outcomes.
- Identify Favorable Cases (sum=7):
- (1,6),(2,5),(3,4),(4,3),(5,2),(6,1).
- Count: There are 6 favorable outcomes.
- Probability Calculation:
- P=6/36=1/6.
- Note: 7 is the most likely sum when rolling two dice.
This medium difficulty mathematics question is from the chapter statistics and probability, covering the topic of probability. It appeared in the 2025 exam.
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