(Answered) Avoiding an accident while driving can depend on reaction

Statistics

Avoiding an accident while driving can depend on reaction time. That time, measured from the time the driver first sees the danger until the driver gets his/her foot on the brake pedal, can be described by a normal model with mean 1.6 seconds and standard deviation 0.14 seconds. Use the 68-95-99.7 rule (NOT a z table) to answer the following questions. The pictures of the 68-95-99.7 rule at this link might help.

What percentage of drivers have a reaction time more than 1.88 seconds?

What percentage of drivers have a reaction time less than 1.46 seconds?

What percentage of drivers have a reaction time less than 1.74 seconds?

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