TABLE 9-2 a Student Claims That He Can Correctly Identify Whether a Whether

question 73

Multiple Choice

TABLE 9-2
A student claims that he can correctly identify whether a person is a business major or an agriculture major by the way the person dresses. Suppose in actuality that if someone is a business major, he can correctly identify that person as a business major 87% of the time. When a person is an agriculture major, the student will incorrectly identify that person as a business major 16% of the time. Presented with one person and asked to identify the major of this person (who is either a business or an agriculture major) , he considers this to be a hypothesis test with the null hypothesis being that the person is a business major and the alternative that the person is an agriculture major.
-Referring to Table 9-2, what is the power of the test?

• A) 0.13
• B) 0.16
• C) 0.84
• D) 0.87

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Definitions:

Normal Good

A good for which demand increases when consumer income rises, and falls when consumer income decreases, all other factors being equal.

Student Income

The amount of money earned or received by students from employment, grants, stipends, or other sources while pursuing their studies.

Demand RISE

An increase in the quantity of a product or service that consumers are willing and able to purchase at a given price.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity of that good consumers are willing to purchase at various prices.