A Boxcar Without a Front or a Back Is Moving

question 6

Multiple Choice

A boxcar without a front or a back is moving toward the right.Two flashes of light move through the boxcar,one moving from back to front toward the right,the other moving from front to back toward the left.A passenger in the boxcar records how long it takes each flash of light to pass from one end of the boxcar to the other end.According to the passenger,which took longer?

• A)the flash going from back to front
• B)the flash going from front to back
• C)They both took the same time.
• D)It depends on whether the passenger is sitting at the front or the back of the boxcar.

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Definitions:

Standard Normal Random Variable

A type of random variable that has a mean of 0 and a standard deviation of 1, following the standard normal distribution.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much the values differ from the mean of the data set.

Negative Value

A negative value represents a number less than zero, often indicating a deficit or reduction in mathematical and statistical contexts.

Normal Distribution

A bell-shaped probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence.