In a certain office In a certain office, we have 30 female workers and 70 male workers. The probability
of having a smoker worker given that he is a male is 0.6 and the probability of having a
smoker worker given that she is a female is 0.4. Select a person at random from this office.
Find
a. The probability that this person will be a smoker.
b. Given that this person is a smoker, what is the probability that this person will be a male.
c. The probability that this person will be a smoker or a male
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