Question: 2 . 2 The design guidelines for a specific type of crosswalk are based on a reaction time that would allow 9 9 . 5

2.2 The design guidelines for a specific type of crosswalk are based on a
reaction time that would allow 99.5% of drivers to stop in time. If the mean and
standard deviation for drivers under 65 are assumed to apply to everyone, what
reaction time would be used?
2 . 2 The design guidelines for a specific type

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