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Suppose that 0 was inside of the 95% confidence interval. From that measure, could you conclude that the water became cleaner? Why or why not? Suppose that 0 was outside the 95% confidence interval. From that measure, could you conclude that the water became cleaner? Why or why not?
When we say we have confidence level of 95% what do you believe our "margin of error" is?
a specific automotive part that a service station stocks in its inventory has an 8 chance of being defective. suppose
a farmer was interested in determining how many grasshoppers were in his field. he knows that distribution of
A recent article in the Arizone Republic indicated that the mean sellingprice of the homes in the area is more than $220,000. Can we conclude that the mean selling price in the Goodyear, AZ area is more than $220,000.
How would you rate your firm on its awareness, motivation and ability with respect to launching or responding to competitive initiatives in your market place? Would you classify your firm as a first mover, a second mover, or a late mover? Explain..
The accompanying data on number of minutes used for cell phone calls in 1 month was generated to be consistent with summary statistics published
Find the work needed to lift a satellite of mass 200 kg to a height of 2000 km above the Earth's surface. [Take the Earth to be spherically symmetric and of radius 6400 km. Take the surface value of g to be 9.8ms-2.]
question a researcher tests 10 individuals before and after an experimental procedure.the results are shown below. how
(a) In how many ways can the committee be chosen so that the same amount of men and women are chosen? (b) What is the probability that the same amount of men and women are chosen?
There are m machines in a factory operating independently. Each machine works for a time period that is exponentially distributed with mean 1/µ.
question two builders a and b are competing for a contract to construct a new office block. each can bid either
A company is producing cylindrical blocks for a children's toy. The average diameter of a block is 3.5 inches. Sixteen blocks are inspected and the diameters are measured.
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