- A6
- B8
- C14
- D7
Step-by-Step Solution
Sum 9: (3,6),(4,5),(5,4),(6,3) = 4. Sum 10: (4,6),(5,5),(6,4) = 3. Mutually exclusive, so 4 + 3 = 7.
Answer: D) 7
Two dice are rolled. Let A = 'sum is 9' and B = 'sum is 10'.
Since A and B cannot happen together, how many outcomes are in the combined event 'A or B' (sum is 9 or 10)?
Class 10Sample Space and EventsStatistics
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