An MI MI3 system has an arrival rate of 11 customers per hour. Each server has a service rate of 8 customers per hour. a. What is the utilization factor for this system? (Round your answer to 3 decimal places.) Utilization factor b. If all servers are kept busy, how many services will be completed per hour? (Round your answer to the nearest whole number.) Services completed per hour
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- An M/M/4 system has an arrival rate of 15 customers per hour. Each server has a service rate of 7 customers per hour. What is the utilization factor for this system? (Round your answer to 3 decimal place.) If all servers are kept busy, how many services will be completed per hour? (Round your answer to the nearest whole number.)1. What is the outcome when a bottleneck resource is augmented with more capacity? 2. Which of the following statements are true? a) Installed capacity in service systems are always based on peak demand b) Service systems designed to handle average capacity will be more effective c) Improving effectiveness of a service will require greater investment of capacity d) None of the above 3. The arrival rate at the second server in a two stage serial queuing system is a. Service rate of server 1 b. Same as arrival rate at server 1 c. Minimum of service rate and arrival rate at server 1 d. Cannot be determined In a worker paced assembly line, consider a situation where the daily requirement has suddenly increased. Which of the following statements will be true? 4. In a worker paced assembly line, consider a situation where the daily requirement has suddenly increased. Which of the following statements will be true? a) The required cycle time will also increase proportionally b) The…A call center has been serving 900 customers per day, with a 10% capacity cushion. There have been complaints about the length of time customers have to wait before their call is answered. If the manager of the call center wants to double the capacity cushion, how much extra capacity is needed?
- A company receives parts from suppliers to be used in its manufacturing departments. The quality control department must perform two operation when shipments are received:i) Operation A-draw a random sample, package, and deliver to testing, andii) Operation B-test the materials and issue a disposition reportThere are currently six shipments waiting to be processed. The time estimates for processing these six shipments through quality control are:Shipment Operation A (hours) Operation B (hours)1 1.5 1.02 1.1 2.73 1.2 1.44 0.7…The Avis Company is a car rental company and is located three miles from the Los Angeles airport (LAX). Avis is dispatching a bus from its offices to the airport every 3 minutes. The average traveling time (a round trip) is 27 minutes. a. How many Avis buses are traveling to and from the airport? Note: Round your answer to the nearest whole number. Number of Avis buses b. The branch manager wants to improve the service and suggests dispatching buses every 1.0 minute. She argues that this will reduce the average traveling time (a round trip) to 4.0 minutes. Is she correct? If your answer is negative, then what will the average traveling time be? average traveling time is minutesProblem 15-9 (Algorithmic) Marty's Barber Shop has one barber. Customers have an arrival rate of 2.1 customers per hour, and haircuts are given with a service rate of 5 per hour. Use the Poisson arrivals and exponential service times model to answer the following questions: d. round your answer to four decimal places. What is the c. What is the P3- a haircor and no one is waiting if req d. What is the probability that one customer is receiving a haircut and two customers are waiting? If required, round your answer to four decimal places. Wq- customer is waiting? If rec e. What is the probability that more than two customers are waiting? If required, round your answer to four decimal places. P(More than 2 waiting) - f. What is the average time a customer waits for service? If required, round your answer to four decimal places. hours mal places.
- Panini, a popular sandwich shop, offers 3 types of sandwiches: grilled vegetables, grilled chicken, and pastrami. The table below provides demand data: Grilled Vegetables Grilled Chicken Pastrami Demand per hour 25 9 12 There are up to five steps in the process of making sandwiches listed below with activity times (if no activity time, then than step is not done for that sandwich). Only 50% of customers want their sandwich toasted, no matter which sandwich is ordered. Step Grilled Vegetables(in minutes) Grilled Chicken(in minutes) Pastrami(in minutes) Cut bread 1 1 1 Grill 1.2 1.2 Slice meat 2 Toast 1.2 1.2 1.2 Wrap 0.8 0.8 0.8 Suppose Panini employs 1 worker at each step. a) Does Panini have enough capacity to fulfill the current demand for sandwiches? (b) What is the current capacity cushion for Panini? (as a %) c) If demand for Pastramis increase with the percentage indicated below, how much additional workers should Panini hire (if any), and where…With a 10% availability buffer, a contact centre has been handling 900 consumers per day. Customers have shown dissatisfaction with the amount of time it takes for their call to be replied. How much additional space is needed if the call centre manager wishes to double the capacity cushion?The following build-up diagram tracks the number of customers for a single-server queueing system (e.g., an ATM machine) from 10:00am to 10:15am on a certain day. The number of customers shown in the chart includes both those in service and waiting in line. Build-up diagram 3 2 1 # of Customers in system (in service + waiting) 0 10:00 10:01 10:02 10:03 10:04 10:07 10:09 We will call the customer who arrived the earliest during this time span the first customer, the customer who arrived the second earliest the second customer, etc.. The service discipline is first-come-first-served (FCFS). According to the diagram, what is the service time of the first customer in minutes?
- During the recent pandemic, the seaport in Savannah Georgia, the third busiest in the United States, averaged loading or unloading 6.7 cargo ships per week. The average time to unload a ship is 1.90 days. Multiple cranes to load and unload the ship operate five days a week. Do not round intermediate calculations. How many ships are waiting to be unloaded on average using Little's Law? Round your answer up to the nearest whole number. ___ ship(s) During the pandemic, at times, demand doubled, how many ships are waiting to be unloaded on average using Little's Law? Round your answer up to the nearest whole number. ___ ship(s) If demand remains at 6.7 cargo ships per week and through better scheduling, training, and crane operations, the average time to unload a ship lowers to 1.10 days, how many ships are waiting? Round your answer up to the nearest whole number. ___ ship(s)9:10 .ll 4G moodle.nct.edu.om Online attendance system has been used since last 10 years to automate the attendance entry into the Salary processing system. The attendance data along with the wage rate is used to calculate the salary to be given to each employ at the end of the month. HRIS has been used extensively in the company to get the monthly and annual reports about the employee performance evaluation. Fatima also informed Ahmed that company is using a custom build systems for providing the summary information of all the branches and department. They call this system as summative. Summative also has drill down facility for getting detailed information on any branch. At the end of meeting Ahmed suggested Fatima to classify the large number of information systems according to types of operational support systems and management support systems. Question 1. Analyze the above case and categorize all the information system into three type of operational support systems and three types…(10 Points) Eat well is a small drive through fast food restaurant, staffed by anefficient employee John, is located in a super mall area. Customers arrive at thecounter at an average of one every 15 minutes, and the customer arrival followsa Poisson distribution. John takes at most 10 minutes to process each foodorder.a) What is average number of customer being served at any time?b) The expected number of customers waiting to be served.c) Compute the average time customer wait in the system.d) Compute the average time customer wait in the line.e) What percentage of time is John Idle?