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

question 22

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 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 Table 9-2, what would be a Type I error?

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

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Definitions:

Excessively High Profits

Profits that significantly exceed the normal expected return, often seen as unreasonable or indicative of limited competition.

Perfectly Competitive Market

A market structure characterized by many buyers and sellers, homogenous products, and free entry and exit, leading to price determination purely by demand and supply.

Soybeans

A type of legume native to East Asia, widely grown for its edible bean, which has numerous uses including oil, animal feed, and as a food item.

P × q

The formula representing total revenue, where P is the price per unit and q is the quantity of units sold.