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JEE MAIN 2023
02-04-2023-S2
Question
$25 \%$ of the population are smokers. A smoker has 27 times more chances to develop lung cancer then a non-smoker. A person is diagnosed with lung cancer and the probability that this person is a smoker is $\frac{k}{10}$. Then the value of $k$ is $\_\_\_\_$ .
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