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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?
What happened to the credit standards (e.g., minimum down payment, mortgage loan relative to the value of the house, and creditworthiness of the borrower) between 1995 and 2005? Wh
Kate uses a sewing machine to alter and repair clothes for one year in her own small business, Kate's Tailoring. She earns $20,000 during the year for various sewing projects. In t
Draw the supply and demand graph for pizza, then answer the questions below. SUPPLY OF AND DEMAND FOR PIZZA Quantity Supplied Price Quantity Demanded 300 $15.00 100 240 12.00 180 1
disuss with an aid of a diagram the kinked demand curve
An electronic chip is to be implanted in the body. During in vitro (in the lab) testing it is observed that the chip will dissolve over time if exposed to liquid with similar pH to
Suppose that between January 2011 and January 2012 the total number of people employed and the unemployment rate both fell. Briefly explain how this is possible. [2 marks]
.measure to control inflation
how is credit creation by commercial bank
evaluate the usefulness of the model in South Africa
Q. Assumptions of the AS-AD model? The most significant change we make going from IS-LM model to AS-AD model is to allow P to be endogenous. As P was constant in IS-LM model, w
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