(a) What is the probability that a randomly chosen salesperson was married?

(b) What is the probability that a randomly chosen computer salesperson left his or her job within the year?

(c) What is the probability that a randomly chosen single salesperson left his or her job within the year?

(d) What is the probability that a randomly chosen salesperson who stayed in the job over the year was married?

40. The accompanying table shows proportions of adults in nonmetropolitan areas, categorized as to whether they were readers or nonreaders of newspapers and whether or not they voted in the last election.5

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