4. (07.05)
a recent survey by the american cancer society shows that the probability that someone is a smoker is p(s) = 0.19. it
has also determined that the probability that someone has lung cancer, given that he or she is a smoker, is p(los) =
0.158. what is the probability (rounded to the nearest hundredth) that a random person is a smoker and has lung cancer
p(
s lc)? (4 points)
0.03
0.83
0.35
0.02