Asked by Cody

For a school project, sue interviewed a total of 100 persons who were either lawyers or salesmen. She asked them if they were happy or unhappy with their occupation. Of the 62 lawyers interviewed, 15 were unhappy, however, only 7 of the salesmen were unhappy. Suppose that one of persons interviewd is selected st random. Find the probability that the person selected is unhappy.
Answered by AHOOOGAH! Homework Dump!
Try to show a little effort of your own, eh?
Answered by Cody
I have or I wouldn't have posted it
Answered by PsyDAG
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.

15/62 * 7/(1-62) = ?
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