Four union men, two from a minority group, are assigned to four distinctly different one-man jobs, which can be ranked in order of desirability.
a. Define the experiment.
b. List the simple events in S.
c. If the assignment to the jobs is unbiased-that is, if any one ordering of assignments is as probable as any other-what is the probability that the two men from the minority group are assigned to the least desirable jobs?