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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 standard error of the mean?
Mixture of Gases
A combination of different gases, where each gas retains its own chemical identity and properties.
Soluble
Capable of being dissolved in a solvent, typically referring to the ability of a substance to dissolve in water.
Diffusion
Diffusion is the passive movement of particles from an area of high concentration to an area of low concentration until equilibrium is reached.
Tidal Volume
The volume of air inhaled or exhaled during a normal breathing cycle, without exertion.
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