The probability of a smoker to get a lung cancer is 27 times the probability of a normal person getting ling cancer. The probability that the man is smoker given that he is suffusing form lung cancer, hers it is given that probability of a person to be smoker is 1/4 ,
(1) 9/10
(2) 8/11
(3) 9/10
(4) 8/11
