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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?


Definitions:

Glomerulus

A network of capillaries located in the kidney, playing a key role in the filtration of blood to form urine.

Capillary

The smallest blood vessels in the body, involved in the exchange of oxygen, nutrients, and waste materials between the blood and tissues.

Hilum

Indented surface on many organs, serving as a point where nerves and vessels enter or leave.

Glomerulus

A cluster of blood vessels in the kidney that filters blood, initiating the process of urine formation.

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