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

question 52

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 greater than 200 gigabytes?

---

Definitions:

Business Reports

Formal documents that provide information and analysis to assist in business decision-making, often including data, research findings, and recommendations.

Formality

The strict adherence to prescribed or established rules, conventions, or ceremonies, often in official or ceremonial contexts.

Professional Courier

A service or individual specializing in the delivery of documents and packages for businesses in a reliable and timely manner.

Open-Source Format

Refers to a type of software license that allows the source code to be freely used, modified, and shared.