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Consider the following shortest-route problem involving six cities with the distances given.
Path Distance
1 to 2 3
1 to 3 2
2 to 4 4
2 to 5 5
3 to 4 3
3 to 5 7
4 to 6 6
5 to 6 2
a. Draw the network flow model for this problem.
b. Write out the LP formulation (math model) for finding the shortest distance from City 1 to City 6.
c. Solve the model above
The average age in the sample was 22.5 years with a standard deviation of 5 years. Construct a 95% confidence interval for the true average age of the consumers.
assume that we have a random sample of size n from a nmu1 distribution. we want to testhsubo mu2hsub1 mu1use the neyman
Inverse probability based on normal distribution - The data set has a bell-shaped distribution. Between what two prices do 68% of the houses lie?
A magazine article stated that the average age of women who are getting married for the first time is 26 years. A researcher decided to test this hypothesis at α = .02. She selected a sample of 25 women who were recently married for the first time..
Suppose that a survey is being planned for purposes of estimating the average number of hours spent exercising daily by adults (18 years of age or older) living in a certain community.
Briefly describe correlational research. Name a variable from the workplace that might prove to provide a correlational relationship and explain why you would choose these two?
At 0.05 level of significance, is there evidence of significant relationship between age group and where people mainly get their news? If so, describe the relationship.
a sample of n 16 scores is selected from a population with ? 100 and ? 32. if the sample mean is m 104 what is the
What sample size would be required to obtain the error of ±10 square millimeters with 99 percent confidence?
Plot fitted values against residuals. Does this plot point out any problems with homoscedasticity?
By using the fact that Martha believes the treatment will decrease the amount of time to fall asleep, describe the null and alternate hypotheses.
a large tank of fish from a hatchery is being delivered to a lake. the hatchery claims that the mean length of fish in
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