A company has tool cribs where workers draw parts. Two workers have applied for the position of distributing parts to the other workers. Adriana is fresh out of trade school and expects$5 per hour. Her average service time is four minutes. Braxton is a veteran who expects $11 per hour. His average service time is two minutes. A worker's time is figured at $11 perhour. Workers arrive to draw parts at an average rate of 13 per hour.(a) What is the average time a worker would spend in the system under each applicant? (Give your answers in minutes. Round your answers to three decimal places.)minutes on average in the system. Under Braxton, a worker would spendminutes on average in theUnder Adriana, a worker would spendsystem.(b) Which applicant should be hired? (Give your answers in dollars per hour. Round your answers to two decimal places.)The total cost under Adriana would be $per hour, and the total cost under Braxton would be $times into account, Braxtonshould be hired.====222252222200000005555per hour. Taking this and the average waiting

Average time in system refers to the average amount of time a worker spends in the system, which…

Answered: What is the average time a worker would…

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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Navern Corporation manufactures and sells custom home elevators. From the time an order is placed until the time the elevator is installed in the customer's home averages 141 days. The 141 days are spent as follows: Wait time Inspection time Process time Move time Queue time What is Navern's manufacturing cycle efficiency (MCE) for its elevators? Multiple Choice O O 41.1% 30.4% 58.9% 29 days 24 days 34 days 31 days 23 days 57.4%
A Company that makes shopping carts for supermarkets and other stores recently purchased some new equipment that reduces the labor content of the jobs needed to produce the shopping carts. Prior to buying the new equipment, the company used 4 workers, who produced an average of 87 carts per hour. Workers receive $13 per hour, and machine coast was $32 per hour. With the new equipment, it was possible to transfer one of the workers to another department, and equipment cost increased by $18 per hour while output increased by four carts per hour.a) Compute the multifactor productivity (MFP) (labor plus equipment) under the Prior to buying the new equipment. The MFP (carts/$) = ( ) (round to 4 decimal places).b) Compute the % growth in productivity between the Prior to and after buying the new equipment. The growth in productivity = ( ) % (round to 2 decimal places)
.A team of 10 unloaders is employed in good reception bay of a large warehouse. During an 8 hour day 40 lorries arrive and it takes the team 10 minutes to unload each lorry. Each team member is paid RM3 per hour and it costs RM10 per hour to keep lorries waiting. Studies show that increasing the team to 14 men would reduce the unloading time to 7 minutes. Would it be worthwhile increasing the team to 14?
In an M/M/1 queueing system, the arrival rate is 5 customers per hour and the service rate is 7 customers per hour. If the service process is automated (resulting in no variation in service times but the same service rate), what will be the resulting performance measurements? (Round all answers to three decimals.) What is the utilization? What is the expected number of customers in the system (L)? What is the expected waiting time (in hours) for the system (W)? What is the expected number of customers in the queue (Lq)? What is the expected waiting time (in hours) in the queue (Wq)?
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.)
Taylor Swiftt works at a call center as an analyst. In her role, she is tasked with data administration and finding patterns in the data generated from all of the customer service interactions that take place. She has been asked to create a visualization of this data so that she can see at what time most service calls come in during the week. What would you recommend that Taylor develop so that her supervisor can see when calls are coming in, live? Choose the best answer from the options available. Group of answer choices A daily report An interactive dashboard A crystal ball A narrative
1. (First System) A crew of mechanics at the NCDOT repair NCDOT vehicles that break down at an average rate of λ = 4 vehicles per day. The crew can service an average of µ = 5 vehicles per day. The crew cost is $400 per day. A bureaucrat in Raleigh has determined the cost associated with lost productivity due to breakdowns is $300/day. (This includes the entire time the vehicle is unavailable—from the time it breaks down until the time it is back on the road.) 2. (Second System) This same bureaucrat thinks it would be a good idea to have two repair crews instead of one. Vehicles still break down at the same rate of 4/day. Each crew can still service 5 /day. Assume that each crew handles half of the breakdowns. Each crew costs $400/day. The cost associated with the lost productivity of an idle vehicle is still $300/day. Which system do you recommend and why?
Rollmore, a non-union manufacturing company decides it needs input on improving its work processes and procedures and decides to create employee committees to provide general feedback about things such as work rules and organizational policies and practices in hopes of improving efficiency. Rollmore asks ten employees to serve on such committees. Rollmore asks these employees to bring to their meetings, which include management representatives, concerns and ideas from their coworkers. Rollmore schedules these committees to meet once a month for two hours and provides lunch and a conference room for the participants. Are these employee committees legal or illegal? Why or why not?
Two methods are used to predict how many customers will call in for help in the next four days. The first method predicts the numbers of callers to be 49, 42, 46, and 50 for the four respective days. The second method predicts 48, 43, 47, and 49 for the four respective days. The actual numbers of callers turn out to be 50, 40, 45, and 48. Which method has the smaller mean absolute error (MAE)? O Both methods have the same MAE The second method. The first method O Cannot be determined

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