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A random sample of 450 shoppers at Quincy Mall found that 150 favored longer shopping hours. Is this sufficient evidence to conclude that less than 30% of the shoppers at Quincy Mall favor longer hours? Let a= 0.05 Give the null and alternative hypothesis, the critical value, the test value and your conclusion as your answer.
Reginald Brown, an inspector from the Department of Weights and Measures, weighs 15 eighteen-ounce cereal boxes of corn flakes. He finds their mean weight to be 17.78 ounces with a standard deviation of 0.4 ounces. Are the cereal boxes lighter than they should be? Let a= 0.01 Give the null and alternative hypothesis, the critical value, the test value, and your conclusion as your answer.
Show that vector p and q are orthogonal
Find christoffel symbols for metric - ds2 = -cos(2β)dt2 - 2sin(2β)drdt + cos(2β)dr2 + r2dθ2 + r2 sin2θdΦ2
Describe the cost C(x), in millions of dollars to inoculate x % of the Canadian population against a particularly virulent strain of flu
Is this possible? Either indicate how it may be done, or prove that it is impossible and find the degrees of the remaining vertices - In how many dierent ways can they be seated in a row
Use the chi square test to find the listed occupations
During the first part of a trip, a canoeist travels 61 miles at a certain speed. The canoeist travels 21 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the tri..
1 .what results in your departments seem to be correlated or related to other activities? how could you verify this?
he linear equation y= 0.15x+0.79 represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x=1, for example, because it is the first year in the study. Similarly, 2005 would be year 9, or ..
The trough is full of water (density 1000 kg/m^3 ). Find the amount of work in joules required to empty the trough by pumping the water over the top. (Note: Use g=9.8 m/s^2 as the acceleration due to gravity.)
a 30 centimeter wrench is attached to a nut. the coordinate system you have picked is such that the wrench lies on the
A student studying for a vocabulary test knows the meanings of10 words from a list of 20 words. If the test contains 10 words from the study list, what is the probability that at least 8 of the words on the test are words that the student knows? (Rou..
Using what you know about t-scores, identify which of the variables have a significant influence on the LISTPRICE.
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