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A random sample of 17 wolf litters in Ontario, Canada, gave an average of x1=4.9 wolf pups per litter with estimated sample standard deviations1=1.0. Another random sample of 6 wolf litters in Finland gave an average of x2=2.8 wolf pups per litter with sample standard deviation s2 =1.2(a) Find an 85% confidence interval for m1-m2, the difference in population mean litter size between Ontario and Finland.(b) Examine the confidence interval and explain what it means in the context of this problem. Does the interval consist of numbers that are all positive? all negative? of different signs? At the 85% level of confidence, does it appear that the average litter size of wolf pups in Ontario is greater than the average litter size in Finland?(c) Test the claim that the average litter size of wolf pups in Ontario is greater than the average litter size of wolf pups in Finland. Use a = 0.01.
essen beer company has a brewery in michigans upper peninsula and is setting up distribution at jackson michigan in the
Find the velocity of the rock after one second.
Use Newton's method to find the coordinates of the inflection point of the curve y = ecos(x),0 ≤ x ≤ π , correct to six decimal places.
A hemisphere of radius 5 sits on a horizontal plane. A cylinder stands with its axis vertical, the center of its base at the center of the sphere, and its top circular rim touching the hemisphere. Find the radius and height of the cylinder of maxi..
Let v1 and v2 be vectors in R^n. Show that (prove) the set of all vectors w, an element of R^n such that w is orthogonal to both v1 and v2, is a subspace of R^n.
What type of annuity is a layaway plan?
A manufacture has been selling 1000 television sets a week at $480 each. A market survey indicates that for each $12 rebate offered to a buyer, the number of sets sold will increase by 120 per week.
Find the volume of the solid whose base is bounded by the circle x^2+y^2=4, with the indicated cross sections taken perpendicular to the x-axis.
At what time does the rocket land? (Give your answer correct to one decimal place.)
The decay of 276 mg of an isotope is given by A(t)=276e -0.023t(to the power) where t is time in years. Find the amount left after 5 years.
Show that this theorem 1 is sharp, that is, show that for infinitely many n>=3 there are non-hamiltonian graphs G of order n such that degu+degv>=n-1 for all distinct nonadjacent u and v.
What is globalisation, and what explanations have been put forward to explain how it affects individuals and communities?
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