Use the Following Information for Following Questions

Multiple Choice

Use the following information for following questions . A police radar gun is used to measure the speeds of cars on a
highway. The speeds of cars are normally distributed with a mean of 55 mi/hr and a standard deviation of 5
mi/hr.
-Roughly what percentage of cars are driving less than 45 mi/hr? (Round to the nearest tenth of a percent)

A) 5.0%
B) 95.0%
C) 18.0%
D) 2.5%.