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

question 81

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 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 would be a Type I error?

• A) saying that the person is an agriculture major when in fact the person is a business major
• B) saying that the person is an agriculture major when in fact the person is an agriculture major
• C) saying that the person is a business major when in fact the person is an agriculture major
• D) saying that the person is a business major when in fact the person is a business major

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Definitions:

Industry Price

A term generally referring to the average or standard price of goods and services within a specific industry.

Perfect Competitor

A hypothetical firm in a perfectly competitive market, where it must accept the prevailing market price and cannot influence it.

Average Total Cost

The cost per unit of output, calculated by dividing the total cost of production by the quantity of output.

Perfect Competition

A market structure characterized by a large number of small firms, a homogeneous product, free entry and exit, and perfect information.