The Number of Cell Phone Minutes Used by High School

question 62

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 fewer than 400 minutes?

• A)0
• B)0.023
• C)0.159
• D)0.977
• E)None of the above

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Definitions:

Perceived

Regarded in a certain way; interpreted based on one's observations or understandings.

Credible

Describes something or someone as being believable or trustworthy, often due to a record of accuracy and reliability.

Publicists

Professionals specializing in public relations, responsible for managing and promoting the public image of individuals, organizations, or products.

Gatekeeper

In the context of media and information, it refers to individuals or entities that control access to information, deciding what content reaches the public.