The accompanying table shows proportions of computer salespeople classified according to marital status and whether they left their jobs or stayed over a period of 1 year
![](https://book.transtutors.com/qimage/image05312015393.jpg)
a. What is the probability that a randomly chosen salesperson was married?
b. What is the probability that a randomly chosen salesperson left the job within the year?
c. What is the probability that a randomly chosen single salesperson left the job within the year?
d. What is the probability that a randomly chosen salesperson who stayed in the job over the year was married?