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

question 109

Multiple Choice

SCENARIO 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 Scenario 9-2,what is the "actual level of significance" of the test?

• A)0.13
• B)0.16
• C)0.84
• D)0.87

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Definitions:

Extracellular Matrix

A complex network of proteins and carbohydrates surrounding cells, providing structural and biochemical support to tissues.

Gastrocnemius Muscle

A major calf muscle at the back of the lower leg, involved in walking, running, and jumping.

Polysaccharides

Complex carbohydrates composed of long chains of monosaccharide units bound together by glycosidic linkages.

Proteoglycan

A component of the extracellular matrix in connective tissues, consisting of a core protein and one or more covalently attached glycosaminoglycan (GAG) chains.