Posted by Anonymous on .
John drives to work each morning and the trip takes an average of µ = 38 minutes. The
distribution of driving times is approximately normal with a standard deviation of σ = 5
minutes. For a randomly selected morning, what is the probability that John’s drive to
work will take less than 35 minutes?

math 
Dr. Jane,
You have to find a zscore.
3538 divided by 5.
Now, that you have the zvalue, use a table or a calculator to find the area under the normal curve to the left of your zvalue. This is the probability that it will take him less than 35 minutes to get to work.
This is really a Statistics problem. Make sure your subject line says Statistics and you will get help a little faster. 
math 
Dill,
0.6554