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प्रश्न
Probability of a sure event is ______.
रिकाम्या जागा भरा
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उत्तर
Probability of a sure event is 1.
Explanation:
A sure (or certain) event contains all possible outcomes of the sample space i.e., favourable outcomes m = n.
Thus: \[P(\text{sure event}) = \frac{n}{n} = 1\].
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