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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 width of a confidence interval will be:
Using goodness-of-fit test and.01 level of significance, find out whether accidents are evenly distributed all through the day. Write a short description of your conclusion.
At α = .01, did yellow fire trucks have a considerably lower accident rate? Determine sample proportions and z test statistic.
What is the decision regarding the null hypothesis (is there a difference in the mean numbers of cameras sold at the three department store chains)?
Due to large losses incurred in the past several years, a firm has $2 billion in tax-loss carryforwards. This means that the next $2 billion of the firm's income will be free from corporate income taxes.
The percentage 'y' of impurities per batch in a certain chemical product is a beta random variable with probability density
During the 10-month period during which these six exposures were detected, a total of 2,316 general anesthetics using isoflurane or desflurane were delivered in operating rooms monitored by mass spectrometry.
Jones Nissan in Sumter, South Carolina, sold 10 Nissans yesterday. What is the probability that exactly 1 vehicles require warranty service?
Critically discuss some examples of descriptive statistics? Why are they used in research? What is a confidence interval?
Psychologists once measured 77 variables on a sample of schizophrenic people and a sample of people who were not schizophrenic. They compared the two samples using 77 separate significance tests.
A thorough examination reveals there is nothing wrong with the filling machine. From a statistical standpoint,was there a type error made? If yes, which type? Explain?
What is the 99% confidence interval?
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