Question: Problems for Section 4.2: Mapping Business Processes 1. Billy's Hamburger Barn has a single drive-up window. Currently, there is one attendant at the window who

Problems for Section 4.2: Mapping Business
Problems for Section 4.2: Mapping Business
Problems for Section 4.2: Mapping Business
Problems for Section 4.2: Mapping Business Processes 1. Billy's Hamburger Barn has a single drive-up window. Currently, there is one attendant at the window who takes the order (3040 seconds), gathers up the food and bags it (30120 seconds), and then takes the customer's money (30-40 seconds) before handing the food to the customer. a. (**) Map the current process. What is the minimum cycle time? The longest cycle time? b. (***) Suppose Billy's Hamburger Barn redesigns the process described in problem 11 so there are now two attendants. The first attendant takes the order. Once this step is finished, the first attendant then takes the money, and the second one gathers up and bags the food. If two of the process steps can now run in par- allel (gathering the food and taking the money), what is the new minimum cycle time? What is the longest cycle time? What potential problems could arise by splitting the process across two individuals? 4. (**) Consider the output and labor hour figures shown in the following table. Calculate the labor productivity for each week, as well as the average labor productivity for all six weeks. Do any of the weeks seem unusual to you? Explain. WEEK LABOR HOURS 1 au AWN OUTPUT (IN UNITS) 1,850 1,361 2,122 2,638 2,599 2,867 200 150 150 250 250 300 10. Average waiting times and ride times for two of Dizzy- World's rides are as follows: AVERAGE WAITING TIME LENGTH OF RIDE TOTAL PROCESS TIME RIDE 30 minutes 10 minutes 40 minutes Magical Mushroom Haunted Roller Coaster 40 minutes 5 minutes 45 minutes a. (*) Calculate the percent value-added time for each ride. b. (**) Now suppose DizzyWorld puts in place a reserva- tion system for the Haunted Roller Coaster ride. Here's how it works: The customer receives a coupon that allows him to come back in 40 minutes and immedi- ately go to the front of the line. In the meantime, the customer can wait in line and then ride the Magical Mushroom. Under this new system, what is the cus- tomer's total time waiting? Total time riding? What is the new percent-value added time

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