Solution Let DD be the event that person dies due to lung cancer.Let SS be the event that a person is smoker.Given:P(S)= 0.20, ~~ P(D|S)= 10P(D|S^c), ~~ P(D)=0.006P(S)=0.20, P(D∣S)=10P(D∣Sc), P(D)=0.006Answer0.0214