A University Has 1,000 Computers Available for Students to Use

question 80

Essay

A university has 1,000 computers available for students to use. Each computer has a 250-gigabyte hard drive. The university wants to estimate the space occupied on the hard drives. A random sample of 100 computers showed a mean of 115 gigabytes used with a standard deviation of 20 gigabytes. What is the probability that a sample mean is between 111 and 119 gigabytes?

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Definitions:

Quantitative Data

Information that can be measured and expressed numerically, often used to quantify attitudes, opinions, behaviors, and other defined variables.

Heroin

An illegal, highly addictive opioid drug derived from morphine, commonly used for its euphoric effects but notorious for its potential to cause dependency and health issues.

Cocaine

A powerful, addictive stimulant drug derived from the leaves of the coca plant, which is native to South America.

Alcohol

A psychoactive substance found in beverages such as beer, wine, and spirits, known for its ability to alter moods and behaviors.