The personnel office at a large electronics firm regularlyschedules job interviews and maintains records of the interviews.From the past records, they have found that the length of a firstinterview is normally distributed, with mean μ = 36minutes and standard deviation σ= 4 minutes. (Round youranswers to four decimal places.)
(a) What is the probability that a first interview will last 40minutes or longer?
(b) Three first interviews are usually scheduled per day. What isthe probability that the average length of time for the threeinterviews will be 40 minutes or longer?
