The types of occupations of the 123,060,000 employed workers (age 16 years and older) in the United States in 1994 are described in the table, and their relative frequencies are listed. A worker is to be selected at random from this population and his or her occupation is to be determined.

(Assume that each worker in the population has only one occupation.)

a. What is the probability that the worker will be a male service worker?

b. What is the probability that the worker will be a manager or a professional?

c. What is the probability that the worker will be a female professional or a fanale operatorlfabricatorllaborer?

d. What is the probability that the worker will not be in a technical/sales administrative occupation?