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Syracuse Roadbuilding Company is considering the purchase of a new tandem box dump truck. The truck costs $95,000, and an additional $5,000 is needed to paint it with the firm logo and install radio equipment. Assume the truck falls into the MACRS three-year class. The truck will generate no additional revenues, but it will reduce cash operating expenses by $35,000 per year. The truck will be sold for $40,000 after its five-year life. An inventory investment of $4,000 is required during the life of the investment. Syracuse Roadbuilding is in the 45% income tax bracket.
The average speed of greyhound dogs is about 18.8 meters per second. A particular greyhound breeder claims that her dogs are faster than the average greyhound. In a sample of 45 dogs, they ran, on average, 19.2 meters per second with a standard de..
You have 4 groups that you are trying to find if there is a difference in any of the population means. In each group there are 7 observations. The given level of significance is an alpha of .005. Your MSA is 6,200 and your MSW is 1,000. Will you r..
Construct a 90% confidence interval on the difference in fraction nonconforming between the two processes."
Find the standard error of the difference in sample means,
Evaluate true mean delivery time to within 5 minutes at 90% reliability level? Suppose that standard deviation for delivery times is 18.2 minutes.
A sample of 40 random weeks finds a weekly loss mean of $3200 with a standard deviation of $750. Test their claim at the a=0.05 level.
Given this information, what is the probability that the mesh polo shirt came from box 1? (Round your answer to 3 decimal places.)
What concepts and constructs would you use to study this phenomenon? How might the concepts or constructs relate to explanatory hypotheses? Explain.
Critique the HR manager's planned approach and give him advice on how to proceed. You can assume that a reasonable estimate for the proportion of new hires that are happy with the company is .8.
The state highway department is studying traffic patterns on one of the busiest highways in the state. As part of the study, the department needs to estimate the average number of vehicles that pass an intersection each day. A random sample of 64 ..
In the design of the robot to insert the small cylindrical part into a close-fitting circular hole, the robot arm must exert a 90-n force p on the part parallel to the axis of the hole as shown. Determine the components of the force which the part..
Find the value of Z-score- standard normal distribution.Find out a value of the standard normal random variable z, call it z0.
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