File Home Insert Design Layout References EBPENZA_EBPWA2C_GA Assignment_Question 2022-2 (1) (Protected View) - Word Mailings Review View Help Tell me what you want to do Enable Editing i PROTECTED VIEW Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. i GET GENUINE OFFICE Your license isn't genuine, and you may be a victim of software counterfeiting. Avoid interruption and keep your files safe with genuine Office today. Formulae Ls = - 1 Ws= - 23 Get genuine Office Question 4 (16 marks) Sign in Learn more 4. The following jobs are waiting to be processed at the same machine centre. Jobs are logged as they arrive: 1069 words Page 3 of 6 18C Cloudy La Wa = ( 2) 2 ( - 2) = Job Duration (Days) | Due Date A 12 44 B 24 28 C 28 60 D 4 36 20 50 F 8 68 P = Po 1- Pn>k = (2/4)+1 Question 3 (30 marks) 3. A start-up company in Vanderbjilpark that produces toy buses and cars, has two primary resources available: injection moulding-machine time and assembly time. Over a week, the owner managed to schedule up to 38.77 minutes of work on the injection moulding-machine and up to 15.83 minutes of work on assembly. Each bus produced requires 8 minutes of injection moulding-machine time and 4 minutes of assembly time. Producing each car requires 6 minutes of injection moulding-machine time and 2 minutes of assembly time. The company's accounting department analyzes cost and sales figures and states that each bus produced will yield a R150 contribution to profit and that each car will yield a R90 contribution to profit. In what sequence would the jobs be ranked according to the following decision rules: a) First Come First Serve (FCFS) b) Longest Processing Time (LPT) [2] [2] c) All dates are specified as manufacturing planning calendar days. Assume all jobs arrive on day 1. Use Shortest Processing Time (SPT) to evaluate the following: Average Completion Time [2] [2] [3] [3] i. ii. Utilization iii. iv. Average number of jobs in the system Average job lateness d) State any other 3 priority sequencing rules that could be used EBPENZA_EBPWA2C Question Paper Page 3 of 6 EBPEN2A EBPWA2C Question Paper 6 L Page 4 of 6 + 77% W ENG US 22:27 2022/10/20 17 x File Home Insert Design Layout i PROTECTED VIEW References Mailings EBPENZA_EBPWA2C_GA Assignment_Question 2022-2 (1) (Protected View) - Word Tell me what you want to do Review View Help Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing GET GENUINE OFFICE Your license isn't genuine, and you may be a victim of software counterfeiting. Avoid interruption and keep your files safe with genuine Office today. Get genuine Office Question 2 (16 marks) 2. A company can service 30 customers per hour on the average, it gets only 20 customers per hour. Because the company could serve 50% more customers than visiting, it does not make sense for it to have any waiting lines. The company then hires you to examine the situation and determine some characteristics of the queue. After looking into the problem, you find the six conditions for a single channel waiting line (model A). [16] Formulae Ls - Ws - 22 La = W = (- ) La ( ) = P = = 1 Page 3 of 6 1069 words 18C Cloudy Pn>k = (^/)*+1 L Sign in Learn more x + 108% W ENG US 22:28 2022/10/20 17