If a School Bus Is Travelling 90 Km/hr on Dry

Multiple Choice

If a school bus is travelling 90 km/hr on dry pavement, the stopping distance is approximately normal with a mean of 100 m and a standard deviation of 10 m. What is the probability that such a school bus could stop within a distance of 80 m?

A) 0.014
B) 0.075
C) 0.023
D) 0.025
E) 0.077