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

question 129

Multiple Choice

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 is the value of ?

• A)0.13
• B)0.16
• C)0.84
• D)0.87

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Definitions:

Sodium

A soft, silver-white, highly reactive metal belonging to the alkali metal series in the periodic table, denoted by the symbol Na.

Calcium Carbonate

A white, insoluble solid (CaCO3) occurring naturally as chalk, limestone, marble, and forming the shells of sea creatures.

Combustion

A chemical reaction that occurs between a fuel and an oxidant, producing heat and often light; commonly known as burning.

Rusting

The chemical process involving the oxidation of iron or steel, resulting in the formation of iron oxides, particularly Fe2O3 and Fe3O4.