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प्रश्न
A dice is thrown. Find the probability of getting a prime number
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उत्तर
The sample space of the given experiment is given by
S = {1, 2, 3, 4, 5, 6}
∴ n (S) = 6
Let A be the event of occurrence of a prime number.
Then A = {2, 3, 5}
i.e. n (A) = 3
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