SCENARIO 4-2 An Alcohol Awareness Task Force at a Big-Ten University Sampled

question 88

Multiple Choice

SCENARIO 4-2
An alcohol awareness task force at a Big-Ten university sampled 200 students after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying,and whether they did well or poorly on the midterm.The following result was obtained.

-Referring to Scenario 4-2,what is the probability that a randomly selected student did well on the midterm or went bar hopping the weekend before the midterm?

• A)30/200 or 15%
• B)(80+30)/200 or (30+80)/200 or 55%
• C)(30+70)/200 or (70+30)/200 or 50%
• D)(80+30+70)/200 or (110+100-30)/200 or 90%

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Definitions:

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The flow of electric charge through a conductor, typically measured in amperes.

Insulated Wire

A type of wire that is covered with a material to prevent electric current from escaping or entering.

Lesioning

A technique in neuroscience where specific brain areas are intentionally damaged to study their function.