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A chemical engineer felt confidently that she had improved the gas mileage that a Toyota Corolla could obtain using an additive she developed.Previously to her research,Toyota Corolla's averaged 40 miles per gallon using a professional driver in a controlled situation.
She took a random sample of only five Toyota Corollas (she was very sure of herself) from the relevant population,and used the same professional driver in the same controlled situation.The variable is normally distributed.
She obtained the following results;
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a. Set up and test the relevant Hypothesis with alpha equal to only 0.005. The way I want you to test this,is to find the appropriate p value, and come to the correct decision.
b. Draw the t distribution, place the hypothesized value of the mean appropriately, place the sample value correctly, and shade the p value area correctly.
question biologists stocked a lake with 400 fish and estimated the carrying capacity the maximal population for the
The population of the US was 151 millions in 1950 and 179 millions in 1960. Estimate the population in 1970 using the midpoint formula.
How many different ID numbers are possible?
Given the functions: f(x) = x2 + 3x and g(x) = -3 + x what is f(x) + g(x) ?Given the functions: f(x) = x + 4 and g(x) = x -3 what is (f*g)(x) ?
What is the orientation or case of an ellipse with this equation 5x^2+13y^2=7? And how will I prove if its either horizontal or vertical?
Does the sample data provide evidence to conclude that less than 28% of B&B's customers are women (using a = .01)? Use the hypothesis testing procedure outlined below.
How many likes cif mead could Sven chick if he were to Id his helmet to the brim and hagar doesn't want to sit at the foot. Olaf and Leif insist On being adtaCeni one another and sittng on the side bo Erti's left Arvid, Bader
Acylider of radius x is inscribed in a fixed sphere of internal radius R, the circumference of the circular ends of the cylider being in contact with the inner surface of the sphere.
Calculate an exponentially smoothed forecast, using an alpha value of .30.
find 95% of confidence interval for variance of the heights of maple tree same of 11 trees has standard dev of 14.
you are going to create a problem involving one of the shapes you are learning about in this unit. choose one of the
A tank initially contains 120 L of pure water. A mixture containing a concentration of γ g/L of salt enters the tank at a rate of 2 L/min, and the well-stirred mixture leaves the tank at the same rate. Find an expression in terms of γ for the amount ..
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