3. A police department in a large city required a specific numbers of policemen during each 6-hour period of the day, to work successfully, the department needs at least number of policemen shown in the following table. The policemen can be hired to work either 12 consecutive hours or 18 consecutive hours. The policemen are paid S6 per hour for each of the first 12 hours a day they work and are paid $8 per hour for each of the next 6 hours they work in a day. Formulate an LP that can be used to minimize the cost of meeting daily workforce demand of the police department. Time Period 12 A.M. – 6 AM. 6 AM. - 12 P.M. 12 P.M. – 6 P.M. 6 P.M. – 12 A.M. Number of policemen required 13 4 15
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- 4 A manager is simulating the number of times a machine operator stops a machine to make adjustments. After careful study the manager found that the number of stops ranged from one to five per cycle and that each number of stops was equally likely. Using the random numbers 0.11 and 0.50 (in that order), determine how many stops for adjustments each of the next two cycles will have. The first cycle will have stops and the second cycle will have stops. Mc Graw Hill < Prev 4 of 5 ASUSA company makes two products (A and B). Each product requires time on two machines 1 and 2. the specifications for each product are as follows Product A Product B Processing time on machine 1 (hrs/unit) Processing time on machine 2 (hrs/unit) Material and labor cost (Sh./ unit) Selling price (Sh./ unit) Maximum possible sale (units) 2 1 2 14 15 16 18 130 150 The amount of time available on machine 1 is 360 hrs and on machine 2 is 260 hrs. Using simplex method determine the number of product A and B, which should be sold in order to maximize total contribution for the company.1) An operator is used for loading and unloading of parts to automated machines. Loading time is 1 minute; unloading time is 2 minutes, machining time is 30 minutes, Operator travel time between the machines including the inspection time is 4 minutes. Cost of operator is C₁=40 TL/Hour, cost of a machine is C₂-200 TL/Hour. What is the cost per unit of production if optimum number of machines is assigned to the operator? (Note: Times are given in minutes and costs are per hour) a) 231 TL/unit b) 6930 TL/unit c) 115.5 TL/unit d) 240 TL/unit e) 132 TL/unit 2) An operator is used for loading and unloading of parts to automated machines. Loading time is 1 minute; unloading time is 2 minutes, machining time is 30 minutes; Operator travel time between the machines including the inspection time is 4 minutes. Cost of operator is C1=40 TL/Hour; cost of a machine is C₂=200 TL/Hour. How many machines (integer number) should be assigned to the operator so that the total operator and machine costs…
- You work as the administrative manager in charge of the operations of the medical services office that brings together over 10 specialists from different health fields. Each specialist has about 5 administrative employees who help with coding, billing, customer service, and other administrative tasks. You supervise all administrative employees. For two months you have noticed that a series of conflicts have arisen between the employees you supervise, which you must address promptly to avoid escalation. These are the conflicts that have been identified: A new position has been opened to supervise night operations and two of the employees have requested it. However, both have resorted to demonstrating that the other does not have the capabilities to rise to the position. These interpersonal differences have resulted in a tense work environment.It has been rumored that one of the medical specialists is going to retire, so it is possible that he will put the five administrative employees…Chapter 5. (M/M/s/K Model). Leia is responsible for 8 computers in the IT offices in a small business called DataWish. Each computer runs on an average for 3 weeks and requires an average of ½ or 0.5 weeks to get reset by Leia before it can start up again. If we assign the Poisson distribution to the "arrival" of each computer for service and an exponential distribution to the actual service provided, answer the following questions: a. The arrival rate would be units per week and the service rate would be units per week. b. Calculate the following operating characteristics for the M/M/s/K system: Utilization Factor (p) % Performance Measures PO (probability that sytem is empty) L (average units in units system) La (average units waiting in queue) units W (average time in the weeks system) Wq (average time in the queue) weeks c. If we assign a cost of waiting as $500 per week per computer and $800 per week of hiring Leia, what is the Total Time Cost per week cost of servicing the…Chapter 5. (M/M/s/K Model). Leia is responsible for 8 computers in the IT offices in a small business called DataWish. Each computer runs on an average for 3 weeks and requires an average of ½ or 0.5 weeks to get reset by Leia before it can start up again. If we assign the Poisson distribution to the "arrival" of each computer for service and an exponential distribution to the actual service provided, answer the following questions: a. The arrival rate would bel units per week and the service rate would be units per week. b. Calculate the following operating characteristics for the M/M/s/K system: Utilization Factor (p) Performance Measures c. If we assign a cost of waiting as $500 per week per computer and $800 per week of hiring Leia, what is the Total Time Cost per week cost of servicing the machines? PO (probability that sytem is empty) % dollars L (average units in system) units d. If DataWish decides to hire another individual to help Leia, what would the new Total Time Cost per…
- Chapter 5. (M/M/s/K Model). Leia is responsible for 12 computers in the IT offices in a small business called DataWish. Each computer runs on an average for 4 weeks and requires an average of ½ or 0.5 weeks to get reset by Leia before it can start up again. If we assign the Poisson distribution to the “arrival” of each computer for service and an exponential distribution to the actual service provided, answer the following questions: a. The arrival rate would be units per week and the service rate would be units per week. b. Calculate the following operating characteristics for the M/M/s/K system: Utilization Factor (ρ) % Performance Measures P0 (probability that sytem is empty) % L (average units in system) units Lq (average units waiting in queue) units W (average time in the system) weeks Wq (average time in the queue) weeks c. If we assign a cost of waiting as $750 per week per computer and $800 per week of…Given the following for a retail property: This property is occupied by a single tenant: Net Rentable Space 10,000 sq. ft. Lease Rate $18.00 per sq. ft. per year Real Estate Taxes $ 1.75 per sq. ft. per year Operating Expenses $ 0.55 per sq. ft. per year Insurance $ 0.06 per sq. Ii. per year Actual Gross Sales $2,200,000 Base Sales as per Lease $2,000,000 Percentage Lease Clause 4.0% What is the amount of rent due on a per sq. ft. basis (per year) ifthe tenant has a "net net"_ (NN)Jease and a "percentage lease clause" in the lease? Please provide proper keystrokes for the BAii Plus and Gualifier Plus IIIfx calculators. Thank you!The Decision Sciences Department is trying todetermine whether to rent a slow or a fast copier. Thedepartment believes that an employee’s time is worth $15per hour. The slow copier rents for $4 per hour and it takesan employee an average of 10 minutes to complete copying(exponentially distributed). The fast copier rents for $15 perhour and it takes an employee an average of 6 minutes tocomplete copying. An average of 4 employees per hour needto use the copying machine (interarrival times areexponential). Which machine should the department rent?
- 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?Maximize P = x + 4y − 2z subject to 3x + y − z ≤ 40 2x + y − z ≤ 20 −x + y + z ≤ 40 x ≥ 0, y ≥ 0, z ≥ 0Chapter 5. (M/M/s/K Model). Leia is responsible for 12 dataunits in the IT offices in a small business called DataWish. Each dataunit runs on an average for 3 weeks and requires an average of ½ or 0.5 weeks to get reset by Leia before it can start up again. If we assign the Poisson distribution to the "arrival" of each dataunit for service and an exponential distribution to the actual service provided, answer the following questions: a. The arrival rate would be units per week and the service rate would be units per week. b. Calculate the following operating characteristics for the M/M/S/K system: Utilization Factor (p) % Performance Measures PO (probability that sytem is empty) % L (average units in system) units Lq (average units waiting in queue) units W (average time in the weeks system) Wq (average time in the queue) weeks c. If we assign a cost of waiting as $400 per week per dataunit and $800 per week of hiring Leia, what is the Total Time Cost per week cost of servicing the…