Mathematics, 14.04.2020 18:53 nhdhdj
A supplier of a certain car parts chain of stores wants to estimate the average length of time car owners plan to keep their cars. From the past it is known that the standard deviation of the length of times car owners plan to keep their cars is 6.5 years. A random sample of 25 car owners results the average length of time of 7.2 years. Calculate and interpret a 99% confidence interval for the average length of time all car owners plan to keep their cars.
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Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !
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Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box
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Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag
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A supplier of a certain car parts chain of stores wants to estimate the average length of time car o...
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