X-Ray Photons Travel at the Speed of Light in a Vacuum

question 17

True/False

X-ray photons travel at the speed of light in a vacuum.

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Definitions:

Confidence Interval

A statistical range, with a certain probability, that is likely to contain the true value of an unknown population parameter.

Mean Height

The average height of a group of individuals.

Confidence Interval

A set of values, from sampled data, believed to contain the value of an obscure population parameter.

Sample Mean

The arithmetic average of a set of values sampled from a population, used as an estimate of the population mean.