The Number of Cell Phone Minutes Used by High School

question 155

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 600 minutes?

• A)0
• B)0.023
• C)0.841
• D)0.977
• E)None of the above

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Definitions:

Telegraphic Speech

Telegraphic speech refers to the two-word phrases used by toddlers when learning to speak, which typically include only essential words to get their point across.

Adult Grammar

The set of structural rules governing the composition of sentences, phrases, and words in any given language as used by adults.

Simple Words

Words that are easy to understand and use, often basic vocabulary that does not require specialized knowledge.

Universal Grammar

A theory in linguistics suggesting that the ability to acquire language is innate to humans and that all languages share a common structure.