The Speed of Cars Passing Through a Check Point Follows

Multiple Choice

The speed of cars passing through a check point follows a normal distribution with a mean of 45 miles per hour and a standard deviation of 6 miles per hour.What is the probability that the next car passing will be exceeding 51 miles per hour?

A) 0.9854
B) 0.8413
C) 0.7967
D) 0.1587