Answer Happy

Aplicants 2. (a) In the annual recruitment exercise of a large commercial company, are required to go through two texts which include a written test and an oral interview in the screening stage. The failure rates for the written text and the oral interview are 85% and 80% respectively, and 75% applicants fail both tests. Only those applicants who pass both tests in the screening stage will be invited for a final interview. Offers of employment are made to 25% of those invited for the final interview. a i. Find the probability that a randomly selected applicant is invited for the final interview. 3 marks ii. Find the probability that a randomly selected applicant passes the written text or passes the oral interview but is not invited for the final interview. [2 marks] iii. Find the probability that a randomly selected applicant passes the oral interview knowing that he/she has passed the written text. 12 marks] iv. Find the probability that only one of ton randomly selected applicants is offered employment. 1:3} marks