Under ideal conditions, a service bay at a Fast Lube can serve 6 cars per hour. The effective capacity of a Fast Lube service bay is 6.0 cars per hour, with efficiency known to be 0.88. The minimum number of service bays Fast Lube needs to achieve an anticipated production of 250 cars per 8-hour day = service bays (enter your response rounded up to the next whole number).
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- Under ideal conditions, a service bay at a Fast Lube can serve 7 cars per hour The effective capacity of a Fast Lube service bay is 60 cars per hour, with efficiency known to be 0 85 The minimum number of service bays Fast Lube needs to achieve an anticipated production of 150 cars per 8-hour day =service bays (enter your response rounded up to the next whole number)Knott’s Industries manufactures standard and super premium backyard swing sets. Currently it has four identical swing-set-making machines, which are operated 250 days per year and 8 hours each day. A capacity cushion of 20 percent is desired. The following information is also known: Standard Model Super PremiumModel Annual Demand Standard Processing Time Average Lot Size Standard Setup Time per Lot 20,000 7 min 50 30 min 10,000 20 min 30 45 min a. Does Knott’s have sufficient capacity to meet annual demand?b. If Knott’s was able to reduce the setup time for the Super Premium Model from 45 minutes to 30 minutes, would there be enough current capacity to produce 20,000 units of each type of swing set?5. Under ideal conditions, a service bay at a Fast Lube can serve 8 cars per hour. The effective capacity of a Fast Lube service bay is 5.7 cars per hour, with efficiency known to be 0.85. The minimum number of service bays Fast Lube needs to achieve an anticipated production of 150 cars per 8-hour day = 3.93.9 service bays ( __________ ).
- Cakes baked by the Freshfood Bakery are transported fromthe ovens to be packaged by one of three wrappers. Eachwrapper can wrap an average of 120 cakes per hour (Poissondistributed). The cakes are brought to the wrappers at therate of 300 per hour (Poisson distributed). If a cake sitslonger than 5 minutes before being wrapped, it will not befresh enough to meet the bakery’s quality control standards.Does the bakery need to hire another wrapper?RideShare offers short-term rentals of vehicles that are kept in small lots in urbanneighborhoods with plenty of potential customers. With one lot, it has eight cars. Theinterarrival time of potential demand for this lot from its base of customers is 40 minutes.The average rental period is five hours. If a customer checks availability of vehicles in thislot online and finds that they are all rented for the desired time, the customer skips rentingand finds alternative arrangements. However, because customers pay a monthly fee tosubscribe to this service, RideShare does not want customers to be disappointed too often.a. What is the offered load?b. What is the implied utilization?c. What is the capacity of the process (rentals per hour)?d. What is the probability that all eight cars are rented at the same time?e. How many customers are served every hour?f. What is the utilization of the cars?g. How many cars should it have in this lot to ensure that it serves at least 90 percent ofdemand?A crew of mechanics at the Department of Transportation garage make minor repairs to snowplows during the winter. The snowplows break down at an average rate of 4 vehicles per day and breakdowns are distributed according to the Poisson distribution. The mechanic can service an average of 10 vehicles per day with a repair time distribution that approximates a negative exponential distribution. Assume an 8 hour day. What is the system utilization? Group of answer choices 0.60 0.17 0.40 0.67
- A bank has 1 enquiries staff and six tellers. Customers enter the system and walk up to the enquires counter for the enquiries queue or they go to the tellers station where they join a single queue for the 6 tellers.The arrival rate at the enquiry counter, lambda 8 customers per hour and the service rate at the enquiry counter, Mu 6 minutes per customer. The arrival rate at the tellers’stations, lambda 10 clients per hour and the service rate at the tellerstations, Mu 4 minutes per client. Find the total time customers spend at the bankUberya Towing Services repair vehicles that break down at an average 8 vehicles per day. The mechanic crew can service an average of 11 vehicles per day. How many vehicles are likely to be in the system at any one time? The crew cost is approximately Php 900 per day. The cost associated with lost productivity from the breakdown is estimated at Php500 per vehicle per day. if an additional Service crew is added, What is the Expected or Total Cost (Waiting +Service Cost)?A Printed Circuit Board (PCB) machine installs integrated circuits onto a board. Before starting to produce a board, the PCB machine requires a 16-minute setup. Once in production, the PCB machine requires only 0.19 minute per board. a. Currently, the PCB machine produces 525 boards between setups. Given this operating process, what is the capacity of the PCB machine (in boards per min)? b. Currently, the PCB machine produces 525 boards between setups. Given this operating process, what is the utilization of the PCB machine? c. Say the PCB machine produces 400 boards s between setups and demand is 2 boards per minute. Given the operating process, what is the avergae inventory of boards anf the PCB machine? d. Demand for boards occurs at the rate of 2 boards per minute. What is the smallest batch size such that the PCB machine does not constrain the flow rate through the process?
- A supermarket is trying to decide how many cashregisters to keep open. Suppose an average of 18 customersarrive each hour, and the average checkout time for acustomer is 4 minutes. Interarrival times and service timesare exponential, and the system may be modeled as anM/M/s/GD/∞/∞ queuing system. It costs $20 per hour tooperate a cash register, and a cost of 25¢ is assessed foreach minute the customer spends in the cash register area.How many registers should the store open?The Corner Cleaners 24-hour laundromat has 16 washing machines. A machine breaks down every 20 days(exponentially distributed). The repair service the laundromat contracts takes an average of one day to repair amachine (exponentially distributed). A washing machineaverages $5 per hour in revenue. The laundromat is considering a new repair service that guarantees repairs in0.50 day, but they charge $10 more per hour than thecurrent repair service. Should the laundromat switch tothe new repair service?At Susie's Dress Manufacturing, the company's garment production lines produces 600 dresses in a day. The standard allowed minutes (SAM) for a single dress is 30 minutes. They employ 50 operators, who work 8 hours a day (lunch/break has been already accounted for). What is the total available maximum output at Susie's daily in minutes? Group of answer choices 22,000 min 24,000 min 26,000 none of the above