The Marketing Manager for an Automobile Manufacturer Is Interested in Determining

question 94

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 GPS navigation system 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 GPS navigation system.If you were to conduct a test to determine whether there is evidence that the proportion is different from 0.30,which test would you use?

• A)Z-test of a population mean
• B)Z-test of a population proportion
• C)t-test of population mean
• D)t-test of a population proportion

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Definitions:

Actual Parameter

An actual parameter refers to the actual value or reference passed to a function or method during its invocation.

One-To-One Correspondence

A relationship in which each element of one set is paired with exactly one element of another set, and vice versa.

Primitive Value

A simple value of a primitive type in programming, such as an integer or a boolean, not associated with any object.

Return Statement

A part of a function or method that specifies the data to be sent back to the caller.