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The production line that packages boxes of raisins at a snack food manufacturer will be conisdered operating properly if the average weight of the boxes of raisin is 3.5 ounces with a standard deviation of 0.3 ounces. A random sample of 20 boxes showed an average weight of 3.30 ounces. Answer questions 4 and 5 based upon this information.
A. Provide the null and alternative hypthosis to determine if the production line is operating properly.
B. What additional assumption is needed before we can perform a test to determine whether the production line is operating properly?
C. State the value of the correct rejection region for alpha = 0.05.
Lower Limit =
Upper Limit =
D. State the value of the correct rejection region for alpha = 0.01.
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What are the most important concepts you have learned from conduct one-and two-sample tests of hypotheses? What would you recommend to your management/leadership based conduct one-and two-sample tests of hypotheses?
Why then does it matter whether we assume straight-line or MACRS depreciation when we assess project NPV?
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General Motors pays for employee education. The HR director would like to conduct a study on the average GPA of employees who have used this benefit to complete their degrees using a sample of education records over the past 10 years.
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The probability I'll jog today is 0.90 and the probability you'll jog tonight is 0.30. Find the probability:
Calculate the appropriate test statistic to test the hypotheses related to the concern and test at 5% and 1%.
A director of an agency is hiring temporary help. In making plans, he has to know whether there isi any difference in the use of the agency at different seasons of the year.
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