SOLUTION: 16) The table below describes the smoking habits of a group of asthma sufferers. Nonsmoker Light smoker Heavy smoker Total Men 321 69 70 460 Women 322 80 68 470 Total 643 1

Algebra ->  Probability-and-statistics -> SOLUTION: 16) The table below describes the smoking habits of a group of asthma sufferers. Nonsmoker Light smoker Heavy smoker Total Men 321 69 70 460 Women 322 80 68 470 Total 643 1      Log On


   

Question 386557: 16) The table below describes the smoking habits of a group of asthma sufferers.
Nonsmoker
Light
smoker
Heavy
smoker Total
Men 321 69 70 460
Women 322 80 68 470
Total 643 149 138 930
A person is randomly selected. If the person selected is a woman, what is the probability that she is
a nonsmoker?
A) 0.405 B) 0.346 C) 0.501 D) 0.685
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

      non  light  heavy  total

Women 322   80    68      470

 'If the person selected is a woman', P(nonsmoker) = 322/470 = .685