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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?
ihave real gdp per capita for all countries in world .. how can i calculate world real gdp per capita by using the data.
Explain the pre-emptive monetary policy Since 1992 UK monetary policy has been 'pre-emptive'. In pre-emptive monetary policy authorities announce that they are prepared to rai
Q. Explain money market with inflation? The money market with inflation Let's begin with the money market diagram and introduce inflation. As M D relies positively on P
A recent study of long distance phone calls made from WPU, showed that the length of the calls follows the normal probability distribution with a mean of 3.2 minutes per call and a
A passive deficit is the portion of the deficit that exists when: A. inflation is not fully anticipated. B. inflation is fully anticipated. C. the economy is at potential income. D
why is international trade important south africa
To develop what you believe is a terrific idea for a video game, you lease 50,000 square feet in an office building from Commercial Property, LLC, under a written five-year lease.
State the both -Cyclical and Classical unemployment Cyclical unemployment Unemployment because of a recession. Classical unemployment Unemployment because of
Engineers sometimes add chlorine to pipes to disinfect water. It is desired to achieve four logs of kill. This means that the effluent concentration of microorganisms is 10 -4 tim
Could you explain the "interest rate effect" in terms of the slope of a curve?
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