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📐 Mathematics  ·  Probability  ·  JEE

When two fair dice are thrown, the probability that the sum is 8 is:

Answer: 5/36.

  • A 1/6
  • B 5/36
  • C 1/9
  • D 6/36

Correct answer: B. 5/36

Explanation: Favourable pairs: (2,6),(3,5),(4,4),(5,3),(6,2) - 5 out of 36.

UABA and BA onlyB onlyOutside both circles: complement of (A union B)

Venn diagram of the universal set U with events A and B, showing the intersection (A and B), the parts unique to each event, and the complement region outside both.

Concept context

Chance, events, conditional probability, and Bayes theorem

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