SOLUTION: 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

Algebra ->  Probability-and-statistics -> SOLUTION: 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      Log On


   



Question 1161480: 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?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
z=(x-mean)/sd
>(51-45)/6
> 1
This probability is 0.1587