2. Bill's Car Wash offers two types of washes: Standard and Deluxe. The process flow for bothtypes of customers is shown in the following chart. Both wash types are first processedthrough steps Al and A2. The Standard wash then goes through steps A3 and then any ofthe two workstations at A4 while the Deluxe is processed through steps A5, A6, and A7.Both offerings finish at the drying station (A8). The numbers in parentheses indicate theminutes it takes for that activity to process a customer.A4-a(11)A3(13)A4-bStandardASA2(9)6or(7)(12)DeluxeA5A6A7(5)(10)(9)a. Which step is the bottleneck for entire car wash process? For the Deluxe & Standard carwash process?b. What is the capacity (measured as customers served per hour) of Standard & Deluxe CarWash to process customers? Assume that no customers are waiting at step A1, A2, or A8.c. If 75 percent of the customers are Standard and 25 percent are Deluxe, what is theaverage capacity of the car wash in customersperhour?

A Small Introduction about Process Flow A business cycle stream is a consecutive portrayal of…

Answered: a. Which step is the bottleneck for…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Benny the Barber owns a one-chair shop. At barber college, they told Benny that his customers would exhibit a Poisson arrival distribution and that he would provide an exponential service distribution. His market survey data indicate that customers arrive at a rate of 4.0 per hour. It will take Benny an average of 8 minutes to give a haircut. Based on these figures, find the following: a. The average number of customers waiting. Note: Round your intermediate calculations to 3 decimal places and final answer to 2 decimal places. Average number of customers waiting b. The average time a customer waits. Note: Round your answer to 2 decimal places. Average waiting time minutes
Fantastic styling salon is run by three stylists, each capable of serving five customers per hour, on average. If all customers wait in a common line for the next available stylist, how long would a customer wait in line, on average before being served
130) please please help me with this! Owners of a local restaurant are concerned about their ability to provide quality service as they continue to grow and attract more customers. They have collected data from Friday and Saturday nights, their busiest times of the week. During these time periods, about 106 customers arrive per hour for service. Given the number of tables and chairs, and the typical time it takes to serve a customer, the owners estimate they can serve, on average, about 162 customers per hour. Use Exhibit 4.6. Furthermore, the owners anticipate that in one year their demand will double as long as they can provide good service to their customers. a. Currently, during these nights, are they in the zone of service, the critical zone, or the zone of nonservice? EXIBIT IS THE PICTURE ADDED O Critical zone O Zone of service O Zone of nonservice b. Next year, after demand doubles, what must the service capacity increase to (at minimum) to stay out of the critical zone?Note:…
In order to meet holiday demand, Penny's Pie Shop requires a production line that is capable of producing 50 pecan pies per week, while operating only 40 hours per week. There are only 4 steps required to produce a single pecan pie with respective processing times of 5 min, 5 min, 45 min and 15 min. a. What should be the line's cycle time? minutes per pie. (Enter your response as an integer.) b. What is the smallest number of workstations Penny could hope for in designing the line considering this cycle time? c. Suppose that Penny finds a solution that requires 3 stations. What would be the efficiency of this line? %. (Enter your response rounded to two decimal places.) stations. (Enter your response rounded up to the next whole number.)
b. What is the longest wait time experienced by a customer?
Virginia's Ron McPherson Electronics Corporation retains a service crew to repair machine breakdowns that occur on an average of λ = 4 per 8-hour workday (approximately Poisson in nature). The crew can service an average of μ = 6 machines per workday, with a repair time distribution that resembles the negative exponential distribution. a) The utilization rate of this service system (round your response to two decimal places)
Tech support center. Customer calls follow Poisson probability distribution. Arrival rate = 7 calls per hour. 8.5 minutes to answer customer's questions. With 2 consultants, what is the percentage of customers who have to wait and what is the average waiting time? K=2, lambda= 7, mu= (60/8.5) is that correct?

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