A Company Makes a Device That Can Be Fitted to Automobile

question 75

Essay

A company makes a device that can be fitted to automobile engines to improve the mileage.The company claims that if the device is installed,owners will observe a mean increase of more than 3.0 mpg.Assuming that the population standard deviation of increase is known to be 0.75 mpg,and a sample of size 64 cars is selected with an = 3.25 mpg,use the p-value approach to test the null hypothesis using a significance level of 0.05.

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Definitions:

Operant Conditioning

Learning that takes place as a consequence of behavior; a person’s actions are instrumental in determining whether learning takes place.

Positive Reinforcement

A technique used to encourage desired behavior by offering rewards or positive outcomes following that behavior.

Vibrations

Oscillatory motions or energy waves moving through a medium or vacuum.

MOOCs

Massive Open Online Courses, which are free online courses available for anyone to enroll.