A Study Was Recently Done in the United States in Which

question 95

True/False

A study was recently done in the United States in which car owners were asked to indicate whether their most recent car purchase was a U.S.car,a German car,or a Japanese car.The people in the survey were divided by geographic region in the United States.The following data were recorded. Given this situation,to test whether the car origin is independent of the geographical location of the buyer,the expected number of people in the sample who bought a German made car and who lived on the East Coast is just under 40 people.

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Definitions:

Active Transport

The process where molecules travel through a cellular membrane from an area of lesser concentration to an area of greater concentration, necessitating the use of energy.

Absorption

The process by which nutrients, drugs, and other substances are taken up from the gastrointestinal tract into the bloodstream.

Mastication

The act of grinding food with teeth before swallowing and digesting it.

Muscular Tunic

A layer commonly found in various hollow organs, like the gastrointestinal tract and bladder, composed of smooth or striated muscle that helps in movement or the maintenance of tone.