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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. For a given order of completion of the projects, denote by ti the time of completion of project i, i.e
The professor wants to order the projects so as to minimize the maximum tardiness, given by
Use an interchange argument (cf. Exercise 10.24) to show that it is optimal to complete the projects in the order of their deadlines (do the project with the closest deadline first).
below are the lifetimes in hours of fifty 40-watt 110-volt internally frosted incandescent lamps taken from forced
suppose you want to sample the music of a band you havent heard before. youre given 5 cds each with 12 tracks. youll
A TV spot in the Channel 22 early news costs $1500. The average quarter hour Adult 25-54 audience is 15,000. What is the CPM?
determine a the x2 test statistic b the degrees of freedom c the critical value using a 0.05 and d test the hypotheses
1. the mean television viewing time for americans is 15 hours per week money november2003. suppose a sample of 60
2. The staff at a local psychiatric facility wants to determine whether implementing a No Smoking rule significantly decreases the length of stay of inpatients.
"You are running a chi-squared test. If you have 5 groups with 3 characteristics each, what would your critical value be with an alpha of .25? a . Between 0 and 3.0
a sample of 15 graduates from eastern university showed that the mean time until they received their first job
an analyst is interested in testing whether four populations have equal means. the following sample data have been
Creek Ratz is a very popular restaurant located along the coast of northern Florida. They serve a variety of steak and seafood dinners. During the summer beach season, they do not take reservations or accept a call seating.
1. the local county is considering a budget proposal that would reallocate funding to renovate the city pools. a survey
One of the most difficult tasks of developing and managing a global portfolio is assessing the risks of potential foreign investments. Duke University researcher C. R. Henry collaborated with two First Chicago Investment Management Company directo..
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