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Currently a company that designs Web sites has five customersin its backlog. The day when the order arrived,processing time, and promised due dates are given in thefollowing table. The customers are listed in the order ofwhen they arrived. They are ready to be scheduled today,which is the start of day 190.CustomerTime SinceOrder Arrived(days ago)ProcessingTime (days)Due Date(days fromnow)A 10 20 26B 8 12 50C 6 28 66D 3 24 58E 2 32 100
a. Develop separate schedules by using the FCFS andEDD rules. Compare the schedules on the basis ofaverage flow time and average days past due.
b. Comment on the performance of the two rules relativeto these measures. Which one gives the best schedule?Why?
An electric power trading company has an option to buy 1,000,000 terawatts of electricity from a producer for $10 per terawatt. Other electric power trading companies have received this option and the company knows a decision must be made quickly.
The data obtained from the 30 respondents are shown in the table. Calculate the category means and the grand mean. Show Calculations. Calculate SSy, SSx, and SSerror. Show Calculations.
a state lottery has1100 prizes of 1145 prizes of 1025 prizes of 655 prizes of 2902 prizes of 1290amp 1 prize of
give three examples where descriptive statistics are misleading. what should be done about this
The maximum demand for Boral is 10,500 tons/month and for Chromal 6,000 tons/month. The contributions/ton are Boral: $25, and Chromal: $35. What combination of Boral and Chromal maximizes total monthly contribution?
Does the average IQ for residents of a state vary with the amount that the state spends on education? Seven of the 50 U.S. states were randomly selected.
In 4-5 paragraphs describe gender roles (how they were influenced/changed) though out middle ages (with specific examples of people, years etc.)
An estimate of the standard deviation of the proportion of carbon monoxide is 0.25. Find a variable sampling plan and explain its operation.
What two assumptions must be met when you are using the z test to test differences between two means? Can the sample standard deviations s1 and s2 be used in place of the population standard deviations σ1 and σ2?
suppose x is a positive random variable with ex5.3 and standard deviation of x is 1.6 . finda e3-2xb varxc ex2d ex-22e
Show the two distinct parse trees that can be constructed for if expr then if expr then other else other using the grammar given in Figure 5.17. For each parse tree, explain the correspondence of then and else.
How would you use the standard normal table? What is the relevance of the z-score? Continue to discuss conditional probability. Discuss the importance of the notation symbol " l".
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