What reaction time will 9999 of the drivers be faster than

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Reference no: EM13626720

A driver's reaction time in response to another car changing lanes is normally distributed with a mean of 0.4 seconds and a standard deviation of 0.05 seconds.

1- What is the probability it takes a driver longer than 0.5 seconds to react?

2-We design braking systems to be safer by building to the reasonably slowest person. What reaction time will 99.99% of the drivers be faster than?

3- 80% of the driver reaction times will be slower than what reaction time?

Reference no: EM13626720

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