In the major North American city ther are four competing newspapers; Globe and Mail, Post, Star, and Sun. To help design advertising campaigns, advertising managers of newspapers need to know which segments of newspaper market are reading their newspapers. Survey was performed to examine realtionship between newspaper read and occupation. Sample of newspaper readers was asked to report which newspaper they read and to point to whether they were blue-collar worker, white-collar worker, or professional. Results of survey are as shown in following table:

Newspaper Occupation
Blue-collar White-collar Professional
G&M 27 29 33
Post 18 43 51
Star 38 15 24
Sun 37 21 18

Newspaper reader is selected at random. Determine the probability that person selected...

a. reads G&M?
b. is not white-collar worker?
c. reads Post and is a Professional?
d. reads Star or is a blue-collar worker?
e. reads Sun, if they are a white collar worker?
f. is not professional, if they do not read G&M?