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

question 146

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 is the "actual level of significance" of the test?

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

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Definitions:

Zygomatic

Relating to the cheekbone or zygoma, which is a bone that forms part of the orbit around the eye and the cheek.

Maxilla

One of a pair of bones forming the upper jaw, holding the upper teeth and playing a key role in the structure of the face.

Mandible

The lower jawbone, critical for chewing and forming the lower part of the face.

Lacrimal

Relating to tears or the tear glands, involved in tear production and drainage into the nasal cavity.