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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?
Assume Workers Comp awards $X to workers not working because of injury. $X is set to equal the workers previous wages. Once workers return to work, the award payments stop. Suppose
You make a monthly deposit of $1,000 into a saving account for the next 10 years. How much can you withdraw immediately after your last deposit if your saving account pays 6% per y
how do i calculate how much the gorverment should spend if the MPC is 0.8 and 200million is requered to reach full employment ?
Consider an economy that produces only three types of fruit: apples, oranges & bananas. In the base year the production & price data are as follows: Fruit
(Consumer Price Index)Given the following data, what was the value of the consumer price index in the base year? Calculate the annual rate of consumer price inflation in 2013 in ea
how do I calculate the chained dollar method for real gdp
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]
Assume that the required reserve ratio is 0.12 for deposits & there are no excess reserves. Assume that the total demand for currency is equal to 0.3 times deposits. a) If t
This is an examination of costs and revenue to explain whether a venture will make a profit. This is significant information in deciding on whether to make an investment. The lengt
critically examine Keynesian theory of employment?
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