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1. You are asked to design a pedestrian footbridge over a busy street in a city's downtown area. What are some of the structural engineering considerations that need to be taken into account during the design of this system?
2. Discuss how you would go about the entire sequence of systems design and development for a proposed new waste treatment plant to replace an existing small and old plant for your hometown.
Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Does the data prove a significant difference in mean scrap rates?
a policeman standing on the side of a road measures the speed of a car moving at 120 kmlhr with a doppler radar gun.
The number of cases of merlot wine sold by a Paso Robles winery in an 8-year period follows:
suppose we have five independent groups or samples each of size 9. how many degrees of freedom do we have for the
A monthly budget of $100,000 is available for both advertising and purchase of the fragrances. Develop and solve a linear optimization model to determine how much of each type of perfume should be produced to maximize the net profit.
Suppose that among all participants, the mean test score is 70.07 and the standard deviation is 10.27. Use z-scores to interpret a raw score of 80. What is the corresponding z-score? How would you interpret this result? Show your work.
Using a significance level of .01 to test this hypothesis, what is your decision rule?
a doctor wants to estimate the hdl cholesterol of all 20-to 29- year-old females. how many subjects are needed to
one thousand people are enrolled in a 10-year cohort study. at the start of the study 100 have diagnosed cvd. over the
Perform a linear regression, 8 month moving average & 3 month moving average forecasting technique to see which is most accurate for the new quarter 11 if quarter 11 sales are 172,000 units
I have fit a line to data representing cholesterol readings for 28 individuals starting a cholesterol reducing drug. The computer provides the following output, The degrees of freedom for the t test for the slope are
what percent of the total number of seeds germinated?
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