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The Nevada has just effected a change on a toll road from physical operation to machine collection to allow smooth traffic flow. With physical operstion, the mean number of vehicles going through the toll was 1,253 an hour. A random sample of 100 hours under the machine operation shows a mean of 1 261 with a standard deviation of 59. Show hypotheses, and evaluate them. State a conclusion in plain unambiguous language.
A point is uniformly distributed in a unit sphere in three dimensions. Find the marginal densities of the x, y, and z coordinates.
What is the right tail percentile required to reject the null hypothesis?
There is significant evidence at alpha=0.05 t o show that the populations of endotoxin levels in children living varying distances from operating farms are not equal.
b. If X has a standard normal distribution, use part (a) to write the integral that equals P(X2 ≤ y). Then differentiate this with respect to y to obtain the pdf of X2 [the square of a N(0, 1) variable]. Finally, show that X2 has a chi-squared distri..
Statistically significant differences (α ≥ 0.05) between the benefits of behavioral therapy and psychoanalysis when treating an eating disorder were found.
A street performer approaches you to make a bet. He shows you three cards: one that is blue on both sides, one that is orange on both sides, and one that is blue on one side and orange on the other.
The sum of three consecutive numbers is 246. If the first number is X, write down an equation with. Find the three numbers.
Measurements made on the internally compensated amplifiers listed below provide the dc gain and the frequency at which the gain has dropped by 20 dB. For each, what are the 3 dB and unity-gain frequencies?
Make up your own problem that can be solved with the equation P(A or B) = P(A) + P(B) - P(A and B). State the problem and show all calculations.
Let market demand be given by Q( P) = 200 - P. Each firm's cost function is C(qi ) = 20qi , where i = 1, 2. Using the Cournot model, find each firm's output, profit, and price.
A recipe for a new wall covering product is in the development stage. It is important that the average elasticity of this product
What are different kind of ways that a Multinational Corporation (MNC) can affect its host country? Explain. What is a specific MNC and host country.
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