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Fixing optimum quantity by considering Marginal Cost and Marginal Revenue. Appalachian Coal mining believes it can enhance labor productivity and therefore net revenue by reducing air pollution in its mines. It estimates that the marginal cost function for reducing pollution by installing additional capital equipment is
MC = 40P
Where P represents reduction of one unit of pollution in mines. It also feels that for every unit of pollution reduction the marginal increase in revenue (MR) is
MR= 1,000 - 10P
How much pollution reduction should Appalachian Coal mining undertake?
Find the area under the normal distribution curve between z = 1.52 and z = 2.43.
Suppose you are given a grant to run a controlled experiment. Explain how you would structure the experiment in order to estimate the casual effect of hours on sat.
Using the .05 significance level, can we conclude that there is a positive association between the two variables?
To demonstrate the process is in control or out of control utilizing p-chart. A company which produces nails has retained you as a consultant.
Times spent studying by students in the week before final exams follow 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.
Test to see if the mean cell phone bill has changed since 2004. Use a .05 level of significance for the test.
What is the chance that stock will fall by more than 15% next month? What extra assumption are you making when replying this question?
A survey of college students collected information on several variables: Distance from Home, Age, Major, Gender, and Class. The variable Major is
Does the overall data support the mayor's claim?
Using the Census data, the OH Registry of Motor Vehicles reveal the subsequent about the Autos owned by the 10 families residing in Smallville.
Establish an approximate design to MTBF required for a system that will result in an approximate minimum total cost over a five year period if the system is to be operated 7500 hours per year
What percent of sales representatives earn more than $42,000 per year?
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