User Account

All Pages

What variance would reduce the expected waiting time

Assignment Help Mathematics
Reference no: EM131615113

Question: A machine shop repairs small electric motors, which arrive according to a Poisson process at the rate 12 per week (5-day, 40-hour workweek). An analysis of past data indicates that engines can be repaired, on the average, in 2.5 hours, with a variance of 1 hour2. How many working hours should a customer expect to leave a motor at the repair shop (not knowing the status of the system)? If the variance of the repair time could be controlled, what variance would reduce the expected waiting time to 6.5 hours?

Reference no: EM131615113

Questions Cloud

What purpose do you think the cells use fragment : What purpose do you think the cells use fragment X for? What purpose do you think the cells use fragment Y for?
Discuss america have a constitutional right to a trial : Do people in the United States of America have a Constitutional Right to a trial by a jury of their peers when they are charged with any crime?
Find the arrival of customers at a teller counter : The arrival of customers at a teller counter follows Poisson with a mean of 45 per hour and teller service time follows exponential with a mean of 1 minute.
Functions of the cerebral cortex : Explain what is meant by the term location specific when discussing the functions of the cerebral cortex.
What variance would reduce the expected waiting time : A machine shop repairs small electric motors, which arrive according to a Poisson process at the rate 12 per week (5-day, 40-hour workweek).
List of seven-ten skills of a project manager : List of seven-ten functions that are, or should be, the responsibility of a project manage. List of seven-ten skills of a project manager.
Minimise the onset of neuromuscular fatigue : Explain how you might try to prevent or minimise the onset of neuromuscular fatigue during a strength weight training session.
Discuss capabilities and vulnerabilities of safety : Research a current emerging issue in public safety administration, to include capabilities, vulnerabilities and needs for a state or local government
What is the expected number of vehicles in the system : Arrivals to a self-service gasoline pump occur in a Poisson fashion at dle rate 12 per hour. Service time has a distribution that averages 4 minutes.

Reviews

Write a Review

Mathematics Questions & Answers

  Determine the dimensions of the box that can be constructed

A rectangular box is to have a square base and a volume of 40 ft3. If the material for the base costs $0.30 per square foot, the material for the sides costs $0.05 per square foot

  Review the case of prison overcrowding

Prison overcrowding the 1980s saw a trend toward oldfashioned punitive deterrence as opposed to the more liberal penal policies and community-based corrections.

  Equation of ellipse

Among the professionals you have interviewed for your article, were several state and federal government spokespersons who use linear equations in a variety of ways.

  Disuss usual symbol for the maximum degree of any vertex

The usual symbol for the maximum degree of any vertex in a graph is ?. Show that the chromatic number of a graph is no more than ? + 1.

  Solve for the fixed points of the system

The Lotka-Volterra model can be modified to model the effect of disease or competition,

  Determining the perception factors

Please respond to the following questions along with at least 2 substantive peer replies (for a minimum of 3 posts): What factors influence the way we perceive people? How might these factors influence the judgments an interviewer makes about a job..

  Define binomial distribution with parameters

Binomial distribution with parameters, Suppose only 70% of all drivers in a certain state regularly wear a seat belt. A random sample of 500 drivers is selected. What is the probability that

  Encourage internal innovation propose

1. Identify A Department Issue observed in your current or prior work Experience or A work related issue observed as a consumer 2. As a Departmental manager who wants to encourage internal innovation propose Three (3) Organization changes to promot..

  Per-capita income to make distinctions among countries

The World Bank uses per-capita income to make distinctions among countries. List at least three countries in the following categories last year: high-income, upper-middle, lower-middle and lower-income.

  How to obtain a qr factorization

Suppose A = QR is a QR factorization of an m X n matrix A (with linearly independent columns). Partition A as [A1 A2], where A1 has p columns.

  Find the 99% confidence interval of the mean number

A random sample of 48 days taken at a large hospital shows that an average of 38 patients were treated in the emergency room (ER) per day. The standard deviation of the population is 4.

  Find what is the probability that the mean annual snowfall

What is the probability that the mean annual snowfall during 40 randomly picked years will be between 105 inches and 112 inches?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd