The time that it takes a driver to react to the brake lights on a decelerating vehicle is critical in helping to avoid rear end collisions. A study found that the reaction time for an in traffic reponse to a brake signal from standard brake lights can be modeled with a normal distribution with a mean of 1.25 secs and standard deviation of 0.45 sec  what percent of drivers have a reaction time between 0.

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The time that it takes a driver to react to the brake lights on a decelerating vehicle is critical in helping to avoid rear end collisions. A study found that the reaction time for an in traffic reponse to a brake signal from standard brake lights can be modeled with a normal distribution with a mean of 1.25 secs and standard deviation of 0.45 sec 

what percent of drivers have a reaction time between 0.35 sec and 2.80 ?

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