On average, how many customers are waiting in line to be served?
The local grocery store consists of two cashiers. The customers arrive at the checkout according to the Poisson distribution and the service times are based on negative exponential distribution. The average customer service time is 4 minutes and the average time between the arrivals of successive customers is 3 minutes. Assume that customers equally divide themselves between the two cashiers.
Answer: Lq = 1.33 customers
You might also like to view...
A company producing cameras and video cameras prefers to focus its resources on a fast imitation program to reverse-engineer new features from competitors and add those, rather than implementing truly inventive features. Miles and Snow would call this company a(n)
A. reactor. B. prospector. C. analyzer. D. defender. E. imitator.
The ________ is the entire group under study as specified by a research project
A) population B) sample frame C) communicate sample D) total sample E) none of the above
Madsen, Inc. intends to increase its profits by 50% in the next fiscal year. Which of the following is most likely to be a lead indicator in Madsen's performance report?
A) return on investment B) number of repeat customers C) net profit margin D) sales revenue growth
A segment is less attractive if it ________
A) is difficult for new entrants to enter B) is substantial C) is actionable D) already contains many strong and aggressive competitors E) contains weak suppliers