Weighted shortest processing time first rule

Assignment Help Basic Statistics
Reference no: EM131121852

(Weighted Shortest Processing Time First Rule) We want to schedule N tasks, the ith of which requires Ti time units. Let ti denote the time of completion of the ith task, i.e.,

Let wi denote a positive weight indicating the importance of early completion of the ith task. Use an interchangeto show that in order to minimize the total weighted completion time we must order the tasks in decreasing order of wi/Ti.

Reference no: EM131121852

Questions Cloud

The projects so as to minimize the maximum tardiness : A busy professor has to complete N projects. Each project i has a deadline di and the time it takes the professor to complete it is Ti. The professor can work on only one project at a time and must complete it before moving on to a new project. F..
Explain why the court upheld the virginia statute : What did the Court mean when it held, in Virginia v. Black, that "just as any State may regulate only that obscenity which is the most obscene due to its prurient content, so too may a State choose to prohibit only those forms of intimidation that..
Audience with uniquely different emotions : Deliverable length: 2 letters, 4–6 paragraphs each You are to write 2 letters/e-mails that will require 2 separate appeals, each of which is intended for an audience with uniquely different emotions. Use the components of persuasive messages that you..
Impairment roland company uses special strapping equipment : Repeat the requirements for (a) and (b), assuming that Roland intends to dispose of the equipment and that it has not been disposed of as of December 31, 2011.
Weighted shortest processing time first rule : (Weighted Shortest Processing Time First Rule) We want to schedule N tasks, the ith of which requires Ti time units. Let ti denote the time of completion of the ith task, i.e.,
Discuss the arguments for and against the capitalization : Calculate Darby Sporting Goods Inc.'s 2011 depreciation expense, for book purposes, for each of the properties acquired from Encino Athletic Equipment Company.
Scheduling and the interchange argument : (Scheduling and the Interchange Argument) In some scheduling problems it is useful to try to characterize a globally optimal solution based on the fact that it is locally optimal with respect to the 2-OPT heuristic.
Result in the process with six- sigma capability : Natural Foods sells Takeoff, a breakfast cereal, in one-pound boxes. According to Food and Drug Administration (FDA) regulations, a one- pound box must contain at least 15.5 ounces of cereal. However, Natural Food’s box- filling process is not perfec..
Scheduling problems viewed as assignment problems : (Scheduling Problems Viewed as Assignment Problems) A machine can be used to perform a subset of N given tasks over T time periods. At each time period t, only a subset A(t) of tasks can be performed. Each task j has value j (t) when performed at ..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Perform the appropriate test to substantiate kumons claims

kumon promotes a method of studying mathematics that it claims develops mathematical ability. do data support this

  If the same results had been found from a sample of 20

the time taken for a sample of eight pieces of equipment to do a task has a mean of 52 minutes and a standard deviation

  Part of a marketing communications campaign

Discuss the kinds of research that could be carried out as part of a marketing communications campaign, indicating when this research should be conducted.

  Probability of white chip drawn before red

An urn contains w white chips, b black chips, and r red chips. The chips are drawn out at random, one at a time, with replacement. What is the probability that a white appears before a red?

  Interpreting the results of various types

How do we go about interpreting the results of various types of statistical tests in health care research?

  Conclusion-proportion of women physicians at university

Is there sufficient evidence at the 0.05 level of significance to conclude that the proportion of women physicians at the university health system exceeds 27.9%?

  A company that bakes chocolate chip cookies averages 52

a company that bakes chocolate chip cookies averages 5.2 chocolate chips per cookie. assume that the number of

  Claiming by safety engineer

A safety engineer claims that only 40% of all workers wear safety helmets when they eat lunch at the workplace. Assuming that his claim is right, find the probability that at most 4 out of 6 workers randomly chosen will be wearing their helmets wh..

  Explain is it unusual for a school bus to arrive late

Assume that a study of 300 randomly selected school bus routes showed that 279 arrived on time. Is it unusual for a school bus to arrive late?

  Difference between the population proportions opposed

I have two samples, one is 31.2% and one is 22.6%. I am trying to calculate the 95% confidence interval in context of this situation. ALso i need the formula that is used to calculate the interval and substitute appropiate numerical values into the f..

  State the appropriate null and alternative hypotheses in

a student wants to assess whether her dog muffin tends to chase her blue ball more often than she chases her red

  Find expected value-variance of number of altered accounts

What is the probability that at least one of the alternations is discovered? Find the expected value and variance of the number of altered accounts discovered during the audit.

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!

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