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प्रश्न
A die is thrown. Find the probability of getting a prime number.
बेरीज
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उत्तर
Given: A fair six-sided die is thrown.
Sample space S = {1, 2, 3, 4, 5, 6}.
Total number of possible outcomes = 6.
P(E) = `"Number of favourable outcomes"/"Total number of possible outcomes"`
Primes on a die = {2, 3, 5} → count = 3
P(prime) = `3/6`
= `1/2`
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