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 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.

Question

Quizplus · Accepted Answer

A Type I error occurs when the null hypothesis is rejected when it is actually true. In this scenario, the null hypothesis is that the person is a business major, so a Type I error would occur if the student incorrectly identifies the person as an agriculture major when they are actually a business major.

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