The following contingency table summarizes the data from a survey concerning Texas teenagers and whe
Question: The following contingency table summarizes the data from a survey concerning Texas teenagers and whether they had smoked in the last month. Leave your answers in fraction form and do NOT reduce the fraction (4 points each).
| Smoker | Non-Smoker | Total | |
| Male | 254 | 331 | 585 |
| Female | 169 | 246 | 415 |
| Total | 423 | 577 | 1000 |
a) What is the probability that a randomly selected person from the sample is either a female or a smoker?
b) Given that a randomly selected person from the sample is a smoker, what is the probability that the person is male?
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