The Marketing Manager for an Automobile Manufacturer Is Interested in Determining

question 8

Multiple Choice

The marketing manager for an automobile manufacturer is interested in determining the proportion of new compact-car owners who would have purchased a side curtain air bag if it had been available for an additional cost of $300. The manager believes from previous information that the proportion is 0.30. Suppose that a survey of 200 new compact-car owners is selected and 79 indicate that they would have purchased the side curtain air bags. If you were to conduct a test to determine whether there is evidence that the proportion is different from 0.30 and decided not to reject the null hypothesis, what conclusion could you draw?

• A) There is sufficient evidence that the proportion is 0.30.
• B) There is not sufficient evidence that the proportion is 0.30.
• C) There is sufficient evidence that the proportion is not 0.30.
• D) There is not sufficient evidence that the proportion is not 0.30.

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Definitions:

Pathogens

Microorganisms that cause disease in their host, including viruses, bacteria, fungi, and parasites.

Cytokine Stimulation

The process of activating cells by cytokines, which are signaling molecules that mediate and regulate immunity, inflammation, and hematopoiesis.

Innate Immunity

Of multicelled organisms, a set of immediate, general responses (complement activation, phagocytosis, inflammation, fever) that defend the body from infection.

Degranulating

The process by which cells release the contents of their granules into the surrounding environment, often seen in immune responses.