One Study Shows That, in "Substance-Free" Dorms, the Percentage of Students

question 185

Multiple Choice

One study shows that, in "substance-free" dorms, the percentage of students who are occasional binge drinkers is:

• A) about 25 percent.
• B) about 36 percent.
• C) about 42 percent.
• D) equal to the percentage of students, nationwide, who are binge drinkers.

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Definitions:

Less Than

A mathematical expression used to compare two values, indicating that one value is smaller than the other.

Z-scores

A numerical metric indicating how a specific value relates to a group's average, measured by the number of standard deviations it differs from this mean.

Standard Normal Distribution

A statistical distribution that has a mean of zero and a standard deviation of one, used in hypothesis testing and other statistical analyses.