The Number of Cell Phone Minutes Used by High School

question 22

Multiple Choice

The number of cell phone minutes used by high school seniors follows a normal distribution with a mean of 500 and a standard deviation of 50.What is the probability that a student uses more than 580 minutes?

• A)0.152
• B)0.0548
• C)0.848
• D)0.903
• E)None of the above

---

Definitions:

Social Anxiety Disorder

A mental health condition characterized by an intense, persistent fear of being watched and judged by others.

Loneliness

A complex and usually unpleasant emotional response to isolation or lack of companionship.

Psychological Disorders

Mental disorders characterized by patterns of behavior or thought that are both dysfunctional and distressing.

Poverty Line

A threshold set by an authority that delineates the minimum level of income required to afford basic living expenses, varying by country and context.