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प्रश्न
A die is thrown, find the probability of getting:
a prime number
उत्तर
A die has six numbers: 1, 2, 3, 4, 5, 6
∴ Number of possible outcomes = 6
a prime number
Number of favourable outcomes = a prime
number = 2,3,5, which is 3 in numbers
P(E) = `"Number of favourable outcomes"/"Number of all possible outcomes"`
= `3/6 = 1/2`
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