The personal office at a large electronics firm regularly schedules job interviews and maintains pecords of the interviews. From the past records they have found that the length of a first interview...

Extracted text: The personal office at a large electronics firm regularly schedules job interviews and maintains pecords of the interviews. From the past records they have found that the length of a first interview is normally distributed with a mean u = 34 minutes and a standard deviation o = 7 minutes. What is ww. %3D the probability that the average length of time for nine interviews will be 40 minutes or longer?