Chapter d addtional - Study guides, Class notes & Summaries

Due to a recent increase in business, a law firm secretary must now word-process an average of 20 letters a day (assume a Poisson distribution). It takes him approximately 20 minutes to type each letter (assume an exponential distribution). Assuming the secretary works 8 hours a day: a) What is the secretary’s utilization rate? a 0.833 b) What is the average waiting time before the secretary word-processes a letter? a 0.2083 12 ½ mins c) What is the average number of letters waiting to...