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

question 135

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 is the "actual confidence coefficient"?

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

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Definitions:

Communication Skills

The abilities used in expressing ideas effectively and in listening actively, including verbal, non-verbal, and written forms of communication.

Technical Skills

Specialized knowledge, abilities, or expertise required to perform specific tasks, often related to processes, engineering, computers, or machinery.

Interpersonal Skills

Abilities used to effectively communicate, interact, and work with individuals and groups through understanding, empathy, and collaboration.

Organizing Information

The process of arranging data and information in a systematic way for easy access and understanding.