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The probability of a sure (certain) event is

A0
B$\dfrac12$
Cbetween 1 and 2
D1
Answer & Solution
Correct answer: D. 1
1. A sure event always occurs, so all outcomes are favourable. 2. Its probability is $\dfrac{n}{n} = 1$. 3. So P(sure event) = 1. _Source: Karnataka SSLC (KSEEB) Class 10 Mathematics, Ch14 'Probability', §14.1_
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