Question

Question 1 ) From historical data, Harry’s Car Wash estimates that dirty cars arrive at the...

Question 1 )

From historical data, Harry’s Car Wash estimates that dirty cars arrive at the rate of 8 cars per hour all day Saturday. With a crew working the wash line, harry figures that car can be cleaned at the rate of one every 6 minutes. One car at a time cleaned in this example of a single-channel waiting line. Assuming Poisson arrival and exponential service times, find the

1- Average number of cars in line.

2- Average time a car waits before it is washed.

3- Average time a car spends in the service system.

4- Utilization rate of the car wash.

5 - Probability that no car are in the system.

Question 2 )

Woofer Pet Food produces a low-calorie dog food for overweight dogs. This product is made from beef products and grain. Each pound of beef costs $0.80, and each pound of grain costs $0.50. A pound of the dog food must contain at least 10 units of Vitamin 1 and 12 units of Vitamin 2. A pound of beef contains 5 units of vitamin 1 and 7 units of vitamin 2. A pound of grain contains 6 units of vitamin 1 and 9 unites of vitamin 2. Formulate this as an LP problem to minimize the cost of the dog food. How many pounds of beef and grain should be included in each pound of dog food? What is the cost and vitamin content of final product?

From historical data, Harry’s Car Wash estimates that dirty cars arrive at the rate of 8 cars per hour all day Saturday. With a crew working the wash line, harry figures that car can be cleaned at the rate of one every 6 minutes. One car at a time cleaned in this example of a single-channel waiting line. Assuming Poisson arrival and exponential service times, find the

Average number of cars in line.

Average time a car waits before it is washed.

Average time a car spends in the service system.

Utilization rate of the car wash.

Probability that no car are in the system.

Woofer Pet Food produces a low-calorie dog food for overweight dogs. This product is made from beef products and grain. Each pound of beef costs $0.80, and each pound of grain costs $0.50. A pound of the dog food must contain at least 10 units of Vitamin 1 and 12 units of Vitamin 2. A pound of beef contains 5 units of vitamin 1 and 7 units of vitamin 2. A pound of grain contains 6 units of vitamin 1 and 9 unites of vitamin 2. Formulate this as an LP problem to minimize the cost of the dog food. How many pounds of beef and grain should be included in each pound of dog food? What is the cost and vitamin content of final product?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
In a car pressure wash the average arrival rate is 12 cars per hour and are...
In a car pressure wash the average arrival rate is 12 cars per hour and are serviced at an average rate of 15 cars per hour, with service times exponential. It is requested: a) Probability that the system is empty. b) Average number of clients in the washing system. c) Average number of clients in the row. d) Average time a customer waits in line. e) Probability of having a row of more than 2 clients. f) Probability of waiting...
Exercise 11.2.5 Customers arrive at Bunkey’s car wash service at a rate of one every 20...
Exercise 11.2.5 Customers arrive at Bunkey’s car wash service at a rate of one every 20 minutes and the average time it takes for a car to proceed through their single wash station is 8 minutes. Answer the following questions under the assumption of Poisson arrivals and exponential service. (a) What is the probability that an arriving customer will have to wait? (b) What is the average number of cars waiting to begin their wash? (c) What is the probability...
The next four questions are based on the following information. At a car wash station, on...
The next four questions are based on the following information. At a car wash station, on average, there are 4 cars coming in for the service every 10 minutes. The average wash time is 2 minutes. The Poisson distribution is appropriate for the arrival rate and service times are exponentially distributed. Please convert all rates into cars per hour and answer the following questions. 1. The average time a car spent in the waiting line is ___________ hours, and the...
Janet is planning to open a small car-wash operation, in which only one car can be...
Janet is planning to open a small car-wash operation, in which only one car can be washed at a time. She must decide how much space to provide for waiting cars. Janet estimates that customers would arrive randomly with a mean rate of 10 customers per hour if the waiting area is not full. If the waiting area is full, the arriving customers would take their cars elsewhere. The average time of washing a car is 12 minutes. Assuming exponential...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company,...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company, the exact service time, and the resources needed for each of them are described in the table following: Service Description Processing Time Resource A. Wash Exterior car washing and drying 10 minutes 1 automated washing machine B. Wax Exterior car waxing 15 minutes 1 automated waxing machine C. Wheel Cleaning Detailed cleaning of all wheels 16 minutes 1 employee D. Interior Cleaning Detailed cleaning...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company,...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company, the exact service time, and the resources needed for each of them are described in the table following: Service Description Processing Time Resource A. Wash Exterior car washing and drying 10 minutes 1 automated washing machine B. Wax Exterior car waxing 15 minutes 1 automated waxing machine C. Wheel Cleaning Detailed cleaning of all wheels 16 minutes 1 employee D. Interior Cleaning Detailed cleaning...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company,...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company, the exact service time, and the resources needed for each of them are described in the table following: Service Description Processing Time Resource A. Wash Exterior car washing and drying 10 minutes 1 automated washing machine B. Wax Exterior car waxing 15 minutes 1 automated waxing machine C. Wheel Cleaning Detailed cleaning of all wheels 16 minutes 1 employee D. Interior Cleaning Detailed cleaning...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company,...
QUESTION 1 CC Car Wash specializes in car cleaning services. The services offered by the company, the exact service time, and the resources needed for each of them are described in the table following: Service Description Processing Time Resource A. Wash Exterior car washing and drying 10 minutes 1 automated washing machine B. Wax Exterior car waxing 15 minutes 1 automated waxing machine C. Wheel Cleaning Detailed cleaning of all wheels 16 minutes 1 employee D. Interior Cleaning Detailed cleaning...
1. Willow Brook National Bank operates a drive-up teller window that allows customers to complete bank...
1. Willow Brook National Bank operates a drive-up teller window that allows customers to complete bank transactions without getting out of their cars. On weekday mornings, arrivals to the drive-up teller window occur at random, with an arrival rate of 6 customers per hour or 0.1 customers per minute. Also assume that the service times for the drive-up teller follow an exponential probability distribution with a service rate of 54 customers per hour, or 0.9 customers per minute. Determine the...
Sign In INNOVATION Deep Change: How Operational Innovation Can Transform Your Company by Michael Hammer From...
Sign In INNOVATION Deep Change: How Operational Innovation Can Transform Your Company by Michael Hammer From the April 2004 Issue Save Share 8.95 In 1991, Progressive Insurance, an automobile insurer based in Mayfield Village, Ohio, had approximately $1.3 billion in sales. By 2002, that figure had grown to $9.5 billion. What fashionable strategies did Progressive employ to achieve sevenfold growth in just over a decade? Was it positioned in a high-growth industry? Hardly. Auto insurance is a mature, 100-year-old industry...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT