5000 working class citizens applied for a Job in May 1905. At exactly June 1905, 40% applicants were confirmed eligible for the job. In July 1905, a total of 500 eligible applicants were employed successfully. calculate;
(a) the percentage of eligible applicants who were not employed
(b) the ratio of eligible applicants to working class citizens.
(c) perhaps, the applicants were chosen at random, calculate the probability of choosing a non eligible applicant.