NCERT Example 2 - Probability

Question: Two dice are thrown. Describe the events that the sum is 7 and that the sum is at most 5.

Answer: Sum 7: {(1,6),(2,5),(3,4),(4,3),(5,2),(6,1)}. Sum at most 5 is the union of outcomes with sums 2, 3, 4, 5.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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