Traffic police measure the speed of the incoming vehicles. The speeds are normally distributed with a mean of 70 km/hr and a standard deviation of 10 km/hr. What percentage of vehicles would-be travelling at random has a speed less than 80 Km/hr?

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Kai

Mathematics

9 March, 02:02

Traffic police measure the speed of the incoming vehicles. The speeds are normally distributed with a mean of 70 km/hr and a standard deviation of 10 km/hr. What percentage of vehicles would-be travelling at random has a speed less than 80 Km/hr?

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Grady Sherman · Answer 1

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