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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?
Suppose one of your clients is four years away from retirement and has only $1,500 in pretax income to devote to either a Roth or a traditional IRA. The traditional IRA permits inv
given the market demand curve is P=a-bQ and MC=D. derive mathematicaly a perfect compettition, B monopoloy, C, Cournot Duopoly, D cournot Tipopoly, E cournot quadropoly, F Stackleb
Suppose the price of Twinkies decreases from $1.45 to $1.25 and, as a result, the quantity of Twinkies demanded increases from 2,000 to 2,200. Using the midpoint method, the price
Q. Describe about Capital? By capital we characteristically mean manufactured goods which are used to produce other services and goods though aren't used up in the production p
INDEX NUMBERS OF PRODUCTION Among the commonly used economic indicators to monitor current trends in the economy are indices of production. The main aggregative indices used t
The rest of the world in the cross model Imports Im(Y) depends positively on Y in the cross model In the classical model, imports doesn't depen
Ashley can join a club for an annual fee of $20. if she can purchase golf balls at 40% off the retail price. Draw ashly's budget constraint if she joins and if she does not join th
How can franchises ensure their products are appropriate for international markets?
Assume the marginal propensity to consume = .8, and government purchases increase by $.2 Trillion. 1. Potentially, how much will real GDP increase in the short-run after the inc
discuss the contention that the existance of a labour market in a perfect competion is a fallacy
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