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The manager of a grocery store in Sunnyville (a retirement community) wants to make sure that senior citizens who shop in her store receive good service. The store has a separate checkout counter for senior citizens. On average, 20 senior citizens per hour arrive at the counter, according to a Poisson distribution, and are served at an average rate of 30 customers per hour, with exponential service times. Find the following operating characteristics: a. Probability of zero customers in the system. b. Average utilization of the senior citizen checkout clerk. c. Average number of customers in the system. d. Average number of customers in line. e. Average time spent in the system. f. Average waiting time in line. g. What service rate would be required if customers averaged only 8 minutes in the system? What are the steps for solving this problem?
Provide one example of a sitution in which it seems to be more important for a business to be ethical than lawful, and one example of a situation in which it seems more important for a business to be lawful rather than ethical.
A small family-owned restaurant uses a seven-day moving average model to determine manpower requirements. These forecasts need to be seasonalized because each day of the week has its own demand pattern.
Select a core process from the operations function where you are currently employed and critically examine the challenges facing its operations manager(s) in terms of balancing the efficiency and effectiveness of this process.
University of florida football programs are printed 1 week prior to each home game. Attendance averages 60,000 screaming and loyal Gator fans, of which two-thirds usually buy the program, following a normal distribution, for 4 each
Some people think that nonsmokers, who must risk cancer from breathing secondhand smoke given off by other people’s cigarettes, are victims; others argue that smokers are becoming an oppressed minority because their right to smoke in public places is..
Assume inventory is valued at the end of each week. 3. Calculate a schedule using least-total-cost lot sizing. What are the savings with this new Schedule?
what are the different types of inventories maintained by a typical business entity?what is the significance of
Suppose a second server is added and the 2 servers act independently, with each taking an average of 2.0 minutes. If a second teller is added, the average time a customer spends in the system in minutes is?
Construct a c-chart for test errors, and set the control limits to contain 99.73% of the random variation in test scores. What does the chart tell you? Has the new math program been effective?
Suppose that you invest the $50,000 winnings that you receive today and earn 8% annually for the next 5 years. What is the future value of your total lottery payments?
Te Kainga is currently working towards achieving full organic certification status not only for its milk (completed), but also for its beef and lamb meat products. As outlined in the case, this certification requires a high level of documentation. Ho..
Determine two advantages and two disadvantages from the health care organization's perspective for requiring a Certificate of Need.
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