Mathematics, 14.02.2020 02:27, mikeylaaliz5901
Suppose you buy a new car whose advertised mileage is 23 miles per gallon (mpg). After driving your car for several months, you find that its mileage is 19.4 mpg. You telephone the manufacturer and learn that the standard deviation of gas mileages for all cars of the model you bought is 1.07 mpg.
A. Find the z-score for the gas mileage of your car, assuming the advertised claim is correct.
B. Does it appear that your car is getting unusually low gasmileage?
Answers: 2
Mathematics, 21.06.2019 18:30, Jenniferwolf
Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?
Answers: 1
Suppose you buy a new car whose advertised mileage is 23 miles per gallon (mpg). After driving your...
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