Fuel economy estimates for automobiles built one year predicted a mean of 26.2 mpg and a standard deviation of 6.8 mpg for highway driving. Assume th model can be applied. Use the 68-95- 99.7 Rule to complete parts a) through e). ..... b) In what interval would you expect the central 99.7% of autos to be found? Using the 68-95-99.7 rule, the central 99.7% of autos can be expected to be found in the interval from to mpg. (Do not round. Type integers or decimals.) es c) About what percent of autos should get more than 33 mpg? ti Using the 68-95-99.7 rule, about % of autos should get more than 33 mpg. (Do not round. Type an integer or a decimal.) ati d) About what percent of autos should get between 33 and 39.8 mpg? Using the 68-95-99.7 rule, about % of autos should get between 33 and 39.8 mpg. (Do not round. Type an integer or a decimal.) e) Describe the gas mileage of the worst 2.5% of cars.

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Fuel economy estimates for automobiles built one year predicted a mean of 26.2 mpg and a standard deviation of 6.8 mpg for highway driving. Assume that a Normal
model can be applied. Use the 68-95-99.7 Rule to complete parts a) through e).
ntent
an
a) Draw the model for auto fuel economy.
Resou
c.
OA.
O B.
94
ble Res
60%
se Opti
pas
unicati
95
5.8 126 194 26.2
03 39.0 466
16 194 22D 26.2 296 33 36.4
67
5A 12.6 19.4 26.2 39.8 53.4
b) In what interval would you expect the central 99.7% of autos to be found?
Using the 68-95-99.7 rule, the central99.7% of autos can be expected to be found in the interval from to mpg.
Click to select your answer(s).
Next
Transcribed Image Text:Fuel economy estimates for automobiles built one year predicted a mean of 26.2 mpg and a standard deviation of 6.8 mpg for highway driving. Assume that a Normal model can be applied. Use the 68-95-99.7 Rule to complete parts a) through e). ntent an a) Draw the model for auto fuel economy. Resou c. OA. O B. 94 ble Res 60% se Opti pas unicati 95 5.8 126 194 26.2 03 39.0 466 16 194 22D 26.2 296 33 36.4 67 5A 12.6 19.4 26.2 39.8 53.4 b) In what interval would you expect the central 99.7% of autos to be found? Using the 68-95-99.7 rule, the central99.7% of autos can be expected to be found in the interval from to mpg. Click to select your answer(s). Next
Fuel economy estimates for automobiles built one year predicted a mean of 26.2 mpg and a standard deviation of 6.8 mpg for highway driving. Assume th
model can be applied. Use the 68-95-99.7 Rule to complete parts a) through e).
ent
b) In what interval would you expect the central 99.7% of autos to be found?
ESou
to mpg.
Using the 68-95-99.7 rule, the central 99.7% of autos can be expected to be found in the interval from
(Do not round. Type integers or decimals.)
e Res
c) About what percent of autos should get more than 33 mpg?
Opti
Using the 68-95-99.7 rule, about
% of autos should get more than 33 mpg.
(Do not round. Type an integer or a decimal.)
nicati
d) About what percent of autos should get between 33 and 39.8 mpg?
% of autos should get between 33 and 39.8 mpg.
Using the 68-95-99.7 rule, about
(Do not round. Type an integer or a decimal.)
e) Describe the gas mileage of the worst 2.5% of cars.
Transcribed Image Text:Fuel economy estimates for automobiles built one year predicted a mean of 26.2 mpg and a standard deviation of 6.8 mpg for highway driving. Assume th model can be applied. Use the 68-95-99.7 Rule to complete parts a) through e). ent b) In what interval would you expect the central 99.7% of autos to be found? ESou to mpg. Using the 68-95-99.7 rule, the central 99.7% of autos can be expected to be found in the interval from (Do not round. Type integers or decimals.) e Res c) About what percent of autos should get more than 33 mpg? Opti Using the 68-95-99.7 rule, about % of autos should get more than 33 mpg. (Do not round. Type an integer or a decimal.) nicati d) About what percent of autos should get between 33 and 39.8 mpg? % of autos should get between 33 and 39.8 mpg. Using the 68-95-99.7 rule, about (Do not round. Type an integer or a decimal.) e) Describe the gas mileage of the worst 2.5% of cars.
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