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

question 23

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 value of α?

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

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Definitions:

Seismographs

Instruments that measure and record details of earthquakes, such as force and duration, by detecting ground motion.

Tsunami

Enormously long oceanic waves generated by major events like quakes, volcano eruptions, or subaquatic landslides.

P-Wave

A type of seismic wave that compresses and expands material in the direction it is traveling, and is the fastest kind of seismic wave.

Rogue Wave

A large, unexpected, and suddenly appearing surface wave that can be extremely dangerous, even to large ships.