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:

Ventral Body Cavity

The front portion of the body cavity that houses internal organs, including the thoracic and abdominopelvic cavities.

Hormones

Chemical substances produced by glands, which travel through the bloodstream to affect various parts of the body.

Parathyroid Gland

Small endocrine glands in the neck that produce parathyroid hormone (PTH), which regulates calcium levels in the blood.