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The times spent studying by students in the week before final exams follows a normal distribution with standard deviation 8 hours. A random sample of four students was taken in order to estimate the mean study time for the population of all students.
a.) What is the probability that the sample mean exceeds the population mean by more than 2 hours?
b.) What is the probability that the sample mean is more than 3 hours below the population mean?
c.) What is the probability that the sample mean differs from the population mean by more than 4 hours?
d.) Suppose that a second (independant) random sample of 10 students was taken. Without doing the calculations, state whether the probabilities in parts (a), (b), and (c) would be higher, lower, or the same for the seocnd sample.
In order to expel a foreign diplomat, that individual must be declared____.Internationally, what is the name of the commercial code that governs many international commercial transactions concerning the purchase or sale of goods?
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Describe the opportunities that might be available through better use of information technology (IT) in the U.S. health care system. What might explain the system's failure to better capitalize on these opportunities
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Please refer to Citizen Gas Company PDF for case study and questions. The case study belongs to Economics. Citizen Gas Company is a medium sized company with customers from residential, commercial and industrial sectors.
Suppose you own a home remodeling company. You are currently earning short-run profits. The home remodeling industry is an increasing-cost industry. In the long run, what do you expect will happen to a. Your firm's costs of production
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In their song "Homeward Bound", Simon and Garfunkel talk about a singer on the road who has grown tired of the road. In part they say: Everyday's an endless stream Of cigarettes and magazines And each town looks the same to me The movies and the fac..
suppose that Abel builds a factory next to Baker´s farm, and air pollution from the factory harms Baker´s crops. Is Baker´s property right to the land being violated Is an externality present What if the pollution invades Baker´s home and harms he..
What is the average fixed cost for the third unit of output and what is the average variable cost for the 5th unit of output?
Catfish farming in Louisiana is a perfect competition market. Hence, customers of catfish are getting their catfish at the minimum cost per unit of manufacturing catfish, and they are very happy.
Portray this sale in a demand and supply diagram and comment on the elasticity of supply. Comedian George Carlin once mused, "If a painting can be forged well enough to fool some experts, why is the original so valuable
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