Question

In: Operations Management

A manager believes his restaurant follows infinite waiting line system. He has five servers, the customer...

A manager believes his restaurant follows infinite waiting line system. He has five servers, the customer arrival rate is 6 per hour, and the serving takes 20 minutes in average.

a. Determine the average number of customers waiting for service.

b. Compute the utilization of the system.

c. Compute the average time in the restaurant in minute.

d. compute the average number of customers in the restaurant.

e. Determine the average waiting time in line in minutes if just three servers are available.

Solutions

Expert Solution

All the parts have been done as shown.

keosha answered 1 year ago
Next > < Previous

Related Solutions

Exercise 6.8: The plant manager of manard Services has received five projects from his managers. He...
Exercise 6.8: The plant manager of manard Services has received five projects from his managers. He uses a MARR of 9% to make project decisions. Find NPW, NFW, and EUAQ for the projects. Year Project U Project V Project W Project X Project Y 0 ($211,345) ($6,000) ($425,000) ($578,000) ($821,000) 1 $5,000 $1,500 $5,000 $85,000 $85,000 2 $8,800 $16,500 $13,800 $234,600 $85,000 3 $15,488 $18,150 $38,088 $647,496 $234,600 4 $27,259 $19,865 $44,182 $751,095 $272,136 5 $47,976 $21,862 $51,251 $871,271 $315,678...
Jason has not been studying and believes that the probability that he will pass his chemistry...
Jason has not been studying and believes that the probability that he will pass his chemistry exam is 0.4, the probability that he will pass the biology exam is 0.3 and the probability that he will pass both exams is 0.18. 1) Find the probability that Jason will pass at least one of the exams. 2)Find the probability that he will pass the chemistry exam given that he passes the biology exam. 3)Find the probability that he will pass the...
Jack has a restaurant in downtown Rochester, New York. He decided to expand his restaurant business...
Jack has a restaurant in downtown Rochester, New York. He decided to expand his restaurant business to the University of Rochester neighborhood. Jack contacted Cindy, who owns a building on Mt. Hope Ave., Rochester, New York. Mt. Hope Ave. is populated with businesses that service University of Rochester students. Jack offered to buy the building. Cindy had bought the building with her husband Mike thirty years earlier, as tenants by the entirety. Cindy used the building as a health food...
A restaurant has terrible on-line ratings. The manager tabulates the complaints mentioned in the reviews. These...
A restaurant has terrible on-line ratings. The manager tabulates the complaints mentioned in the reviews. These are the 10 complaints; create a Pareto analysis of the data using Minitab. Complaint Count Parking Difficult 49 Small Portions 6 Wait time 156 No Atmosphere 3 Food is Cold 9 Not Clean 2 Unfriendly Staff 46 Overpriced 131 Too Noisy 9 Limited Menu 1
A bank manager has developed a new system to reduce the time customers spend waiting for...
A bank manager has developed a new system to reduce the time customers spend waiting for teller service during peak hours. The manager hopes the new system will reduce the waiting time that currently is 10 minutes. Formulate the hypotheses and rejection rule for this problem. A random sample of 70 waiting times was obtained after the system was implemented. The sample showed a sample mean of 9.5 minutes and a standard deviation of 2.2 minutes. Obtain the p-value. At...
A bank manager has developed a new system to reduce the time customers spend waiting to...
A bank manager has developed a new system to reduce the time customers spend waiting to be served by tellers during peak business hours. The bank manager hopes that the new system will lower the average waiting time to less than six minutes. A one-month trial of the system is conducted and 25 customers have been selected and the waiting times were recorded. The sample resulted in a mean of 5.2 minutes and a standard deviation of 2.4 minutes. a-...
4. A teacher believes that whatever he says in class has no effect on his students....
4. A teacher believes that whatever he says in class has no effect on his students. Just as he's about to quit his profession, a statistician enters the room and suggests that the teacher design a study to test his assumption. The study will look at whether providing in-class feedback on homework assignments enhances classroom performance. The teacher wants to know whether providing feedback before or after returning the assignments is most useful. He's also interested in the most effective...
1. A bank manager has developed a new system to reduce the time customers spend waiting...
1. A bank manager has developed a new system to reduce the time customers spend waiting for teller service during peak hours. The manager hopes the new system will reduce the waiting time that currently is 10 minutes. a) Formulate the hypotheses and rejection rule for this problem. b) A random sample of 70 waiting times was obtained after the system was implemented. The sample showed a sample mean of 9.5 minutes and a standard deviation of 2.2 minutes. Obtain...
1. A bank manager has developed a new system to reduce the time customers spend waiting...
1. A bank manager has developed a new system to reduce the time customers spend waiting for teller service during peak hours. The manager hopes that the new system will reduce waiting times from the current average of 7 minutes. Assume that the population standard deviation for waiting times is 2.47 minutes. The manager takes a random sample of 100 waiting times and finds that the average waiting time for the sample is 5.46 minutes. Conduct a hypothesis test to...
Fred has budgeted $21 for a restaurant supper. He has a big appetite, so his budget...
Fred has budgeted $21 for a restaurant supper. He has a big appetite, so his budget is the only limit to how much he can order. The restaurant sells only steak ($21 each) or hamburger ($7 each). Fred is equally happy with 2 hamburgers or 1 steak. Please answer the 4 questions below, in order: 1) What is Fred's marginal rate of substitution of steak for hamburger? (Express as one number with one decimal place.) 2) At Fred's point of...
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT