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

question 50

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 power of the test?

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

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Definitions:

Cortisol

A steroid hormone released by the adrenal glands, often in response to stress, that regulates various body functions.

Cushing's Syndrome

A condition caused by prolonged exposure to high levels of cortisol, leading to symptoms like weight gain and high blood pressure.

Diabetes Mellitus

a metabolic disorder characterized by high blood sugar levels over a prolonged period.

Protein Synthesis

The biological process in which cells build proteins based on the genetic instructions carried by mRNA; involves transcription and translation processes.