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A Die is Rolled Twice What is the Probability that the Sum of the Numbers on the Two Faces is 5? - Mathematics

MCQ

A die is rolled twice What is the probability that the sum of the numbers on the two faces is 5?

Options

  • `3/13`

  • `4/13`

  • `6/13`

  • `1/9`

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Solution

`1/9`

Explanation:

When a dice is rolled twice

Total sample space = 36

Sample space that sum of the number appear is 5 = (1, 4) (2, 3) (4, 1) (3, 2)

i.e. n(E) = 4 ∴ P(E) = `4/36 = 1/9`

Concept: Probability (Entrance Exam)
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