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The mean lenghth for the work week for the population of american workers was reported to be 39.2 hours with a standard deviation of 4.8 hours in September, 2000. A researcher wants to determine if the average work week has changed from 39.2 hours. A sample of 112 workers yielded a mean of 38.5 hours. Based on this sample, how can we conclude the 5% significance level that the average length of the work week has changed?
A. State the null and alternate hypothesis
B. Identify the test statistic
C. State the decision rule
D. Show the appropriate calculations and state the statistical decision
E. What conclusions can you draw cencerning the length of work week for the population of american workers?
A graphic designer needs a laptop for audio/video editing, and notices that they can elect to pay $2900 for a Dell XPS laptop, or lease from the manufacturer for monthly payments of $79 each for four years. The designer can borrow at an interest rate..
Assume you had job offers from two industries that differed only in explain how often they produced CEOs. Would this difference affect your decision?
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Find out if the relativist perspective should be clumped together with the four (4) perspectives listed above or if there is something qualitatively different about this perspective of moral philosophy. Explain your rationale.
Normally the delivery firm does not obtain recipient signatures; deliveries are made to the address of record, regardless of the name on the package. The gift giver argued that even though the package had been delivered to the right address, it ha..
What is the optimal solution?
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Describe a retail business with which you are familiar and determine the most suitable means of inventory control. Provide specific examples to support your response
Joy and Karl contract for the sale of Joy's prize-winning show dog for $1,000. Unknown to either party, the dog has died. Karl is not required to pay due to the unilateral mistake.
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