From a city population, the probability of selecting a male or smoker is 7/{10} , a male smoker is 2/5 and a male, if a smoker is already selected, is 2/3. Then, the probability of

Correct Answer is : selecting a non-smoker is 25

selecting a smoker, if a male is first selected, is given by 8/5

VITEEE 2015 Paper

Section: Mathematics

Question : 116 of 120

Marks: +1, -0

From a city population, the probability of selecting a male or smoker is

, a male smoker is

and a male, if a smoker is already selected, is

. Then, the probability of

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