Past data from a specialized lung cancer clinic show that 10% of patients entering the clinic have lung cancer. Data also shows 5% of the patients are smokers. Additionally, it is found that 7% of the patients are smokers given they have lung cancer.

1) What is the probability of a patient in the clinic having lung cancer given they are a smoker?

A. 0.01

B. 0.14

C. 0.20

D. 0.90

2) Estimate the probability of a patient in the clinic not having lung cancer.

A. 0.40

B. 0.04

C. 0.90

D. 1.40

3) What is probability of a patient not having lung cancer and not being a smoker

A. 0.33

B. 0.48

C. 0.50

D. 0.86