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

question 148

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 power of the test?

• A)0.13
• B)0.16
• C)0.84
• D)0.87

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Definitions:

Physical Characteristics

The observable attributes or features of a body, including size, shape, and appearance.

Psychological Characteristics

Traits related to the mind and behavior that distinguish individuals from one another.

Phenotype

The observable characteristics or traits of an organism as a result of the interaction between its genetic makeup and the environment.

Genotypic Material

The genetic makeup of an organism, composed of DNA, that determines its characteristic features and properties.