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प्रश्न
Find the probability of getting the sum of two numbers, less than 3 or more than 11, when a pair of distinct dice is thrown together.
संख्यात्मक
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उत्तर
When two dice are thrown together, the number of all possible outcomes is 36.
Let E be the event of getting the sum of two numbers either less than 3 or more than 11. Then, E consists of (1, 1) and (6, 6).
Number of these outcomes is 2.
∴ `P(E) = 2/36 = 1/18`.
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