A Random Sample of 64 Students at a University Showed

question 1

Multiple Choice

A random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 95% confidence interval for the true average age of all students in the university is

• A) 24.6 to 25.4.
• B) 24.5 to 25.5.
• C) 23.0 to 27.0.
• D) 20.0 to 30.0.

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Definitions:

GPS System

Global Positioning System, a satellite-based navigation system used to determine the precise location of an object or person on Earth.

GEO

Geostationary Earth Orbit, a type of orbit around the Earth that allows satellites to appear stationary relative to a position on the Earth.

LEO

Low Earth Orbit, an orbit around Earth with an altitude between 160 kilometers and 2,000 kilometers, used for communication satellites.

MEO

Medium Earth Orbit, a type of orbit around Earth typically used for satellites that provides broader coverage than low Earth orbit.