csmumfau
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a vehicle driver gauges the relative speed of the next vehicle ahead by observing the speed with which the image of the width of that vehicle varies. This speed is proportional to X, the speed of variation of the angle at which the eye subtends this width. According to P. Ferrani and others, a study of many drivers revealed X to be normal distributed with a mean of 0 and a standard deviation of 10 ( 10^{-4} radians per sec)
I have no idea how to start, sorry.
I have no idea how to start, sorry.
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