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Joans Nursery specializes in custom-designed landscaping for residential areas. The estimated labor cost associated with a particular landscaping proposal is based on the number of plantings of trees, shrubs, and so on to be used for the project. For cost-estimating purposes, managers use two hours of labor time for the planting of a medium-sized tree. Actual times from a sample of 10 plantings during the past month follow (times in hours).1.7, 1.5, 2.6, 2.2, 2.4, 2.3, 2.6, 3.0, 1.4, 2.3With a .05 level of significance, test to see whether the mean tree-planting time differs from two hours.
a. State the null and alternative hypotheses.
b. Compute the sample mean.
c. Compute the sample standard deviation.
d. What is the p-value?
e. What is your conclusion?
If there is an increase in the popularity of video games and more companies making video games, then the following is true? A) Sales of the games will be uncertain. B) Price will g
Doesn''t money move out of stock markets into bond? If more people buy bonds does this not push bond prices up and yields down? My question is about this quote from the Gardian tod
what have you learned from the class
Q. What do you mean by Wage inflation? We will develop the Keynesian model removing the assumption of fixed nominal wages. We state wage inflation p w as the percentage averag
suppose c=a+by and investmentI is given.assuming mpc=.80 and I=50,find static and dynamic moel question #Minimum 100 words accepted#
Construct two graphs that exhibit equilibrium in the petrol market - assume that there are no taxes. Clearly label the equilibrium values. (a) Graph the AFC, AVC, ATC, and MC fu
Thread less is an example of a firm building on its customer base to use new products and also to participate in the design and vetting of popular designs. In the summer of 2010, D
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Differences between absolute advantage and comparative advantage? Ans) Absolute benefit and comparative benefit are two basic concepts to international trade. Under
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