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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?
A firm conducted a research about the demographics of their customers. For the study they collected data about the following variables: gender, marital status, credit rating (low,
THE FOUR BIG MACROECONOMIC ISSUES AND THEIR INTER-RELATIONSHIPS 1. Link between growth/development and the various factors of production of the commodities: Before we mov
Ask question #Minimum 100 words accepWith aid of evidence in the given article, comprehensively discuss the market structure in the South African mobile telecommunications industry
After a competitive bidding process, Firm G wins a contract to collect and dispose of Firm H's hazardous waste for $1,000 per year. Firm G's labor costs are $200 per year, and beca
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Project feasibility study is needed to make a decision whether the project proposal is technically and economically possible. After finalization of the project feasibility report b
Balance of T rade A country's present account reflects a money drain when exports exceed imports. The net distinction in-between the dollar value of a world imports an
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